13887890520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{37321}}^1$

素因数の和:37785

約数の個数: 128

約数和(自身を含む): 47724387840

約数和(自身を除く): 33836497320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 443, 840, 886, 1329, 1772, 2215, 2658, 3101, 3544, 4430, 5316, 6202, 6645, 8860, 9303, 10632, 12404, 13290, 15505, 17720, 18606, 24808, 26580, 31010, 37212, 37321, 46515, 53160, 62020, 74424, 74642, 93030, 111963, 124040, 149284, 186060, 186605, 223926, 261247, 298568, 372120, 373210, 447852, 522494, 559815, 746420, 783741, 895704, 1044988, 1119630, 1306235, 1492840, 1567482, 2089976, 2239260, 2612470, 3134964, 3918705, 4478520, 5224940, 6269928, 7837410, 10449880, 15674820, 16533203, 31349640, 33066406, 49599609, 66132812, 82666015, 99199218, 115732421, 132265624, 165332030, 198398436, 231464842, 247998045, 330664060, 347197263, 396796872, 462929684, 495996090, 578662105, 661328120, 694394526, 925859368, 991992180, 1157324210, 1388789052, 1735986315, 1983984360, 2314648420, 2777578104, 3471972630, 4629296840, 6943945260, 13887890520]

約数ペア:

[(1, 13887890520), (2, 6943945260), (3, 4629296840), (4, 3471972630), (5, 2777578104), (6, 2314648420), (7, 1983984360), (8, 1735986315), (10, 1388789052), (12, 1157324210), (14, 991992180), (15, 925859368), (20, 694394526), (21, 661328120), (24, 578662105), (28, 495996090), (30, 462929684), (35, 396796872), (40, 347197263), (42, 330664060), (56, 247998045), (60, 231464842), (70, 198398436), (84, 165332030), (105, 132265624), (120, 115732421), (140, 99199218), (168, 82666015), (210, 66132812), (280, 49599609), (420, 33066406), (443, 31349640), (840, 16533203), (886, 15674820), (1329, 10449880), (1772, 7837410), (2215, 6269928), (2658, 5224940), (3101, 4478520), (3544, 3918705), (4430, 3134964), (5316, 2612470), (6202, 2239260), (6645, 2089976), (8860, 1567482), (9303, 1492840), (10632, 1306235), (12404, 1119630), (13290, 1044988), (15505, 895704), (17720, 783741), (18606, 746420), (24808, 559815), (26580, 522494), (31010, 447852), (37212, 373210), (37321, 372120), (46515, 298568), (53160, 261247), (62020, 223926), (74424, 186605), (74642, 186060), (93030, 149284), (111963, 124040)]