1221268320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14879}}^1$

素因数の和:14922

約数の個数: 192

約数和(自身を含む): 4499712000

約数和(自身を除く): 3278443680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 14879, 16416, 20520, 27360, 29758, 41040, 44637, 59516, 74395, 82080, 89274, 119032, 133911, 148790, 178548, 223185, 238064, 267822, 282701, 297580, 357096, 401733, 446370, 476128, 535644, 565402, 595160, 669555, 714192, 803466, 848103, 892740, 1071288, 1130804, 1190320, 1339110, 1413505, 1428384, 1606932, 1696206, 1785480, 2008665, 2142576, 2261608, 2380640, 2544309, 2678220, 2827010, 3213864, 3392412, 3570960, 4017330, 4240515, 4285152, 4523216, 5088618, 5356440, 5654020, 6427728, 6784824, 7141920, 7632927, 8034660, 8481030, 9046432, 10177236, 10712880, 11308040, 12721545, 12855456, 13569648, 15265854, 16069320, 16962060, 20354472, 21425760, 22616080, 25443090, 27139296, 30531708, 32138640, 33924120, 38164635, 40708944, 45232160, 50886180, 61063416, 64277280, 67848240, 76329270, 81417888, 101772360, 122126832, 135696480, 152658540, 203544720, 244253664, 305317080, 407089440, 610634160, 1221268320]

約数ペア:

[(1, 1221268320), (2, 610634160), (3, 407089440), (4, 305317080), (5, 244253664), (6, 203544720), (8, 152658540), (9, 135696480), (10, 122126832), (12, 101772360), (15, 81417888), (16, 76329270), (18, 67848240), (19, 64277280), (20, 61063416), (24, 50886180), (27, 45232160), (30, 40708944), (32, 38164635), (36, 33924120), (38, 32138640), (40, 30531708), (45, 27139296), (48, 25443090), (54, 22616080), (57, 21425760), (60, 20354472), (72, 16962060), (76, 16069320), (80, 15265854), (90, 13569648), (95, 12855456), (96, 12721545), (108, 11308040), (114, 10712880), (120, 10177236), (135, 9046432), (144, 8481030), (152, 8034660), (160, 7632927), (171, 7141920), (180, 6784824), (190, 6427728), (216, 5654020), (228, 5356440), (240, 5088618), (270, 4523216), (285, 4285152), (288, 4240515), (304, 4017330), (342, 3570960), (360, 3392412), (380, 3213864), (432, 2827010), (456, 2678220), (480, 2544309), (513, 2380640), (540, 2261608), (570, 2142576), (608, 2008665), (684, 1785480), (720, 1696206), (760, 1606932), (855, 1428384), (864, 1413505), (912, 1339110), (1026, 1190320), (1080, 1130804), (1140, 1071288), (1368, 892740), (1440, 848103), (1520, 803466), (1710, 714192), (1824, 669555), (2052, 595160), (2160, 565402), (2280, 535644), (2565, 476128), (2736, 446370), (3040, 401733), (3420, 357096), (4104, 297580), (4320, 282701), (4560, 267822), (5130, 238064), (5472, 223185), (6840, 178548), (8208, 148790), (9120, 133911), (10260, 119032), (13680, 89274), (14879, 82080), (16416, 74395), (20520, 59516), (27360, 44637), (29758, 41040)]