249861240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 256

約数和(自身を含む): 912384000

約数和(自身を除く): 662522760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 31, 34, 36, 40, 45, 51, 54, 60, 62, 68, 72, 85, 90, 93, 102, 108, 120, 124, 135, 136, 153, 155, 170, 180, 186, 204, 216, 248, 255, 270, 279, 306, 310, 340, 360, 372, 408, 439, 459, 465, 510, 527, 540, 558, 612, 620, 680, 744, 765, 837, 878, 918, 930, 1020, 1054, 1080, 1116, 1224, 1240, 1317, 1395, 1530, 1581, 1674, 1756, 1836, 1860, 2040, 2108, 2195, 2232, 2295, 2634, 2635, 2790, 3060, 3162, 3348, 3512, 3672, 3720, 3951, 4185, 4216, 4390, 4590, 4743, 5268, 5270, 5580, 6120, 6324, 6585, 6696, 7463, 7902, 7905, 8370, 8780, 9180, 9486, 10536, 10540, 11160, 11853, 12648, 13170, 13609, 14229, 14926, 15804, 15810, 16740, 17560, 18360, 18972, 19755, 21080, 22389, 23706, 23715, 26340, 27218, 28458, 29852, 31608, 31620, 33480, 37315, 37944, 39510, 40827, 44778, 47412, 47430, 52680, 54436, 56916, 59265, 59704, 63240, 67167, 68045, 71145, 74630, 79020, 81654, 89556, 94824, 94860, 108872, 111945, 113832, 118530, 122481, 134334, 136090, 142290, 149260, 158040, 163308, 179112, 189720, 201501, 204135, 223890, 231353, 237060, 244962, 268668, 272180, 284580, 298520, 326616, 335835, 367443, 403002, 408270, 447780, 462706, 474120, 489924, 537336, 544360, 569160, 612405, 671670, 694059, 734886, 806004, 816540, 895560, 925412, 979848, 1007505, 1156765, 1224810, 1343340, 1388118, 1469772, 1612008, 1633080, 1837215, 1850824, 2015010, 2082177, 2313530, 2449620, 2686680, 2776236, 2939544, 3470295, 3674430, 4030020, 4164354, 4627060, 4899240, 5552472, 6246531, 6940590, 7348860, 8060040, 8328708, 9254120, 10410885, 12493062, 13881180, 14697720, 16657416, 20821770, 24986124, 27762360, 31232655, 41643540, 49972248, 62465310, 83287080, 124930620, 249861240]

約数ペア:

[(1, 249861240), (2, 124930620), (3, 83287080), (4, 62465310), (5, 49972248), (6, 41643540), (8, 31232655), (9, 27762360), (10, 24986124), (12, 20821770), (15, 16657416), (17, 14697720), (18, 13881180), (20, 12493062), (24, 10410885), (27, 9254120), (30, 8328708), (31, 8060040), (34, 7348860), (36, 6940590), (40, 6246531), (45, 5552472), (51, 4899240), (54, 4627060), (60, 4164354), (62, 4030020), (68, 3674430), (72, 3470295), (85, 2939544), (90, 2776236), (93, 2686680), (102, 2449620), (108, 2313530), (120, 2082177), (124, 2015010), (135, 1850824), (136, 1837215), (153, 1633080), (155, 1612008), (170, 1469772), (180, 1388118), (186, 1343340), (204, 1224810), (216, 1156765), (248, 1007505), (255, 979848), (270, 925412), (279, 895560), (306, 816540), (310, 806004), (340, 734886), (360, 694059), (372, 671670), (408, 612405), (439, 569160), (459, 544360), (465, 537336), (510, 489924), (527, 474120), (540, 462706), (558, 447780), (612, 408270), (620, 403002), (680, 367443), (744, 335835), (765, 326616), (837, 298520), (878, 284580), (918, 272180), (930, 268668), (1020, 244962), (1054, 237060), (1080, 231353), (1116, 223890), (1224, 204135), (1240, 201501), (1317, 189720), (1395, 179112), (1530, 163308), (1581, 158040), (1674, 149260), (1756, 142290), (1836, 136090), (1860, 134334), (2040, 122481), (2108, 118530), (2195, 113832), (2232, 111945), (2295, 108872), (2634, 94860), (2635, 94824), (2790, 89556), (3060, 81654), (3162, 79020), (3348, 74630), (3512, 71145), (3672, 68045), (3720, 67167), (3951, 63240), (4185, 59704), (4216, 59265), (4390, 56916), (4590, 54436), (4743, 52680), (5268, 47430), (5270, 47412), (5580, 44778), (6120, 40827), (6324, 39510), (6585, 37944), (6696, 37315), (7463, 33480), (7902, 31620), (7905, 31608), (8370, 29852), (8780, 28458), (9180, 27218), (9486, 26340), (10536, 23715), (10540, 23706), (11160, 22389), (11853, 21080), (12648, 19755), (13170, 18972), (13609, 18360), (14229, 17560), (14926, 16740), (15804, 15810)]