1421270640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1808

約数の個数: 240

約数和(自身を含む): 5063175936

約数和(自身を除く): 3641905296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 37, 40, 45, 48, 60, 62, 72, 74, 80, 90, 93, 111, 120, 124, 144, 148, 155, 180, 185, 186, 222, 240, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 496, 555, 558, 592, 620, 666, 720, 740, 744, 888, 930, 1110, 1116, 1147, 1240, 1332, 1395, 1480, 1488, 1665, 1721, 1776, 1860, 2220, 2232, 2294, 2480, 2664, 2790, 2960, 3330, 3441, 3442, 3720, 4440, 4464, 4588, 5163, 5328, 5580, 5735, 6660, 6882, 6884, 7440, 8605, 8880, 9176, 10323, 10326, 11160, 11470, 13320, 13764, 13768, 15489, 17205, 17210, 18352, 20646, 20652, 22320, 22940, 25815, 26640, 27528, 27536, 30978, 34410, 34420, 41292, 41304, 45880, 51615, 51630, 53351, 55056, 61956, 63677, 68820, 68840, 77445, 82584, 82608, 91760, 103230, 103260, 106702, 123912, 127354, 137640, 137680, 154890, 160053, 165168, 191031, 206460, 206520, 213404, 247824, 254708, 266755, 275280, 309780, 318385, 320106, 382062, 412920, 413040, 426808, 480159, 509416, 533510, 573093, 619560, 636770, 640212, 764124, 800265, 825840, 853616, 955155, 960318, 1018832, 1067020, 1146186, 1239120, 1273540, 1280424, 1528248, 1600530, 1910310, 1920636, 1973987, 2134040, 2292372, 2400795, 2547080, 2560848, 2865465, 3056496, 3201060, 3820620, 3841272, 3947974, 4268080, 4584744, 4801590, 5094160, 5730930, 5921961, 6402120, 7641240, 7682544, 7895948, 9169488, 9603180, 9869935, 11461860, 11843922, 12804240, 15282480, 15791896, 17765883, 19206360, 19739870, 22923720, 23687844, 29609805, 31583792, 35531766, 38412720, 39479740, 45847440, 47375688, 59219610, 71063532, 78959480, 88829415, 94751376, 118439220, 142127064, 157918960, 177658830, 236878440, 284254128, 355317660, 473756880, 710635320, 1421270640]

約数ペア:

[(1, 1421270640), (2, 710635320), (3, 473756880), (4, 355317660), (5, 284254128), (6, 236878440), (8, 177658830), (9, 157918960), (10, 142127064), (12, 118439220), (15, 94751376), (16, 88829415), (18, 78959480), (20, 71063532), (24, 59219610), (30, 47375688), (31, 45847440), (36, 39479740), (37, 38412720), (40, 35531766), (45, 31583792), (48, 29609805), (60, 23687844), (62, 22923720), (72, 19739870), (74, 19206360), (80, 17765883), (90, 15791896), (93, 15282480), (111, 12804240), (120, 11843922), (124, 11461860), (144, 9869935), (148, 9603180), (155, 9169488), (180, 7895948), (185, 7682544), (186, 7641240), (222, 6402120), (240, 5921961), (248, 5730930), (279, 5094160), (296, 4801590), (310, 4584744), (333, 4268080), (360, 3947974), (370, 3841272), (372, 3820620), (444, 3201060), (465, 3056496), (496, 2865465), (555, 2560848), (558, 2547080), (592, 2400795), (620, 2292372), (666, 2134040), (720, 1973987), (740, 1920636), (744, 1910310), (888, 1600530), (930, 1528248), (1110, 1280424), (1116, 1273540), (1147, 1239120), (1240, 1146186), (1332, 1067020), (1395, 1018832), (1480, 960318), (1488, 955155), (1665, 853616), (1721, 825840), (1776, 800265), (1860, 764124), (2220, 640212), (2232, 636770), (2294, 619560), (2480, 573093), (2664, 533510), (2790, 509416), (2960, 480159), (3330, 426808), (3441, 413040), (3442, 412920), (3720, 382062), (4440, 320106), (4464, 318385), (4588, 309780), (5163, 275280), (5328, 266755), (5580, 254708), (5735, 247824), (6660, 213404), (6882, 206520), (6884, 206460), (7440, 191031), (8605, 165168), (8880, 160053), (9176, 154890), (10323, 137680), (10326, 137640), (11160, 127354), (11470, 123912), (13320, 106702), (13764, 103260), (13768, 103230), (15489, 91760), (17205, 82608), (17210, 82584), (18352, 77445), (20646, 68840), (20652, 68820), (22320, 63677), (22940, 61956), (25815, 55056), (26640, 53351), (27528, 51630), (27536, 51615), (30978, 45880), (34410, 41304), (34420, 41292)]