207408840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 662981760

約数和(自身を除く): 455572920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 293, 340, 347, 408, 510, 586, 680, 694, 879, 1020, 1041, 1172, 1388, 1465, 1735, 1758, 2040, 2082, 2344, 2776, 2930, 3470, 3516, 4164, 4395, 4981, 5205, 5860, 5899, 6940, 7032, 8328, 8790, 9962, 10410, 11720, 11798, 13880, 14943, 17580, 17697, 19924, 20820, 23596, 24905, 29495, 29886, 35160, 35394, 39848, 41640, 47192, 49810, 58990, 59772, 70788, 74715, 88485, 99620, 101671, 117980, 119544, 141576, 149430, 176970, 199240, 203342, 235960, 298860, 305013, 353940, 406684, 508355, 597720, 610026, 707880, 813368, 1016710, 1220052, 1525065, 1728407, 2033420, 2440104, 3050130, 3456814, 4066840, 5185221, 6100260, 6913628, 8642035, 10370442, 12200520, 13827256, 17284070, 20740884, 25926105, 34568140, 41481768, 51852210, 69136280, 103704420, 207408840]

約数ペア:

[(1, 207408840), (2, 103704420), (3, 69136280), (4, 51852210), (5, 41481768), (6, 34568140), (8, 25926105), (10, 20740884), (12, 17284070), (15, 13827256), (17, 12200520), (20, 10370442), (24, 8642035), (30, 6913628), (34, 6100260), (40, 5185221), (51, 4066840), (60, 3456814), (68, 3050130), (85, 2440104), (102, 2033420), (120, 1728407), (136, 1525065), (170, 1220052), (204, 1016710), (255, 813368), (293, 707880), (340, 610026), (347, 597720), (408, 508355), (510, 406684), (586, 353940), (680, 305013), (694, 298860), (879, 235960), (1020, 203342), (1041, 199240), (1172, 176970), (1388, 149430), (1465, 141576), (1735, 119544), (1758, 117980), (2040, 101671), (2082, 99620), (2344, 88485), (2776, 74715), (2930, 70788), (3470, 59772), (3516, 58990), (4164, 49810), (4395, 47192), (4981, 41640), (5205, 39848), (5860, 35394), (5899, 35160), (6940, 29886), (7032, 29495), (8328, 24905), (8790, 23596), (9962, 20820), (10410, 19924), (11720, 17697), (11798, 17580), (13880, 14943)]