648440640

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:332

約数の個数: 336

約数和(自身を含む): 2396459520

約数和(自身を除く): 1748018880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 243, 248, 269, 270, 279, 288, 310, 320, 324, 360, 372, 405, 432, 465, 480, 486, 496, 538, 540, 558, 576, 620, 648, 720, 744, 807, 810, 837, 864, 930, 960, 972, 992, 1076, 1080, 1116, 1215, 1240, 1296, 1345, 1395, 1440, 1488, 1614, 1620, 1674, 1728, 1860, 1944, 1984, 2152, 2160, 2232, 2421, 2430, 2480, 2511, 2592, 2690, 2790, 2880, 2976, 3228, 3240, 3348, 3720, 3888, 4035, 4185, 4304, 4320, 4464, 4842, 4860, 4960, 5022, 5184, 5380, 5580, 5952, 6456, 6480, 6696, 7263, 7440, 7533, 7776, 8070, 8339, 8370, 8608, 8640, 8928, 9684, 9720, 9920, 10044, 10760, 11160, 12105, 12555, 12912, 12960, 13392, 14526, 14880, 15066, 15552, 16140, 16678, 16740, 17216, 17856, 19368, 19440, 20088, 21520, 21789, 22320, 24210, 25017, 25110, 25824, 25920, 26784, 29052, 29760, 30132, 32280, 33356, 33480, 36315, 37665, 38736, 38880, 40176, 41695, 43040, 43578, 44640, 48420, 50034, 50220, 51648, 53568, 58104, 60264, 64560, 65367, 66712, 66960, 72630, 75051, 75330, 77472, 77760, 80352, 83390, 86080, 87156, 89280, 96840, 100068, 100440, 108945, 116208, 120528, 125085, 129120, 130734, 133424, 133920, 145260, 150102, 150660, 154944, 160704, 166780, 174312, 193680, 200136, 200880, 217890, 225153, 232416, 241056, 250170, 258240, 261468, 266848, 267840, 290520, 300204, 301320, 326835, 333560, 348624, 375255, 387360, 400272, 401760, 435780, 450306, 464832, 482112, 500340, 522936, 533696, 581040, 600408, 602640, 653670, 667120, 675459, 697248, 750510, 774720, 800544, 803520, 871560, 900612, 1000680, 1045872, 1125765, 1162080, 1200816, 1205280, 1307340, 1334240, 1350918, 1394496, 1501020, 1601088, 1743120, 1801224, 2001360, 2026377, 2091744, 2251530, 2324160, 2401632, 2410560, 2614680, 2668480, 2701836, 3002040, 3377295, 3486240, 3602448, 4002720, 4052754, 4183488, 4503060, 4803264, 5229360, 5403672, 6004080, 6754590, 6972480, 7204896, 8005440, 8105508, 9006120, 10131885, 10458720, 10807344, 12008160, 13509180, 14409792, 16211016, 18012240, 20263770, 20917440, 21614688, 24016320, 27018360, 32422032, 36024480, 40527540, 43229376, 54036720, 64844064, 72048960, 81055080, 108073440, 129688128, 162110160, 216146880, 324220320, 648440640]

約数ペア:

[(1, 648440640), (2, 324220320), (3, 216146880), (4, 162110160), (5, 129688128), (6, 108073440), (8, 81055080), (9, 72048960), (10, 64844064), (12, 54036720), (15, 43229376), (16, 40527540), (18, 36024480), (20, 32422032), (24, 27018360), (27, 24016320), (30, 21614688), (31, 20917440), (32, 20263770), (36, 18012240), (40, 16211016), (45, 14409792), (48, 13509180), (54, 12008160), (60, 10807344), (62, 10458720), (64, 10131885), (72, 9006120), (80, 8105508), (81, 8005440), (90, 7204896), (93, 6972480), (96, 6754590), (108, 6004080), (120, 5403672), (124, 5229360), (135, 4803264), (144, 4503060), (155, 4183488), (160, 4052754), (162, 4002720), (180, 3602448), (186, 3486240), (192, 3377295), (216, 3002040), (240, 2701836), (243, 2668480), (248, 2614680), (269, 2410560), (270, 2401632), (279, 2324160), (288, 2251530), (310, 2091744), (320, 2026377), (324, 2001360), (360, 1801224), (372, 1743120), (405, 1601088), (432, 1501020), (465, 1394496), (480, 1350918), (486, 1334240), (496, 1307340), (538, 1205280), (540, 1200816), (558, 1162080), (576, 1125765), (620, 1045872), (648, 1000680), (720, 900612), (744, 871560), (807, 803520), (810, 800544), (837, 774720), (864, 750510), (930, 697248), (960, 675459), (972, 667120), (992, 653670), (1076, 602640), (1080, 600408), (1116, 581040), (1215, 533696), (1240, 522936), (1296, 500340), (1345, 482112), (1395, 464832), (1440, 450306), (1488, 435780), (1614, 401760), (1620, 400272), (1674, 387360), (1728, 375255), (1860, 348624), (1944, 333560), (1984, 326835), (2152, 301320), (2160, 300204), (2232, 290520), (2421, 267840), (2430, 266848), (2480, 261468), (2511, 258240), (2592, 250170), (2690, 241056), (2790, 232416), (2880, 225153), (2976, 217890), (3228, 200880), (3240, 200136), (3348, 193680), (3720, 174312), (3888, 166780), (4035, 160704), (4185, 154944), (4304, 150660), (4320, 150102), (4464, 145260), (4842, 133920), (4860, 133424), (4960, 130734), (5022, 129120), (5184, 125085), (5380, 120528), (5580, 116208), (5952, 108945), (6456, 100440), (6480, 100068), (6696, 96840), (7263, 89280), (7440, 87156), (7533, 86080), (7776, 83390), (8070, 80352), (8339, 77760), (8370, 77472), (8608, 75330), (8640, 75051), (8928, 72630), (9684, 66960), (9720, 66712), (9920, 65367), (10044, 64560), (10760, 60264), (11160, 58104), (12105, 53568), (12555, 51648), (12912, 50220), (12960, 50034), (13392, 48420), (14526, 44640), (14880, 43578), (15066, 43040), (15552, 41695), (16140, 40176), (16678, 38880), (16740, 38736), (17216, 37665), (17856, 36315), (19368, 33480), (19440, 33356), (20088, 32280), (21520, 30132), (21789, 29760), (22320, 29052), (24210, 26784), (25017, 25920), (25110, 25824)]