71001520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 182269584

約数和(自身を除く): 111268064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 83, 85, 136, 148, 166, 170, 185, 272, 289, 296, 332, 340, 370, 415, 578, 592, 629, 664, 680, 740, 830, 1156, 1258, 1328, 1360, 1411, 1445, 1480, 1660, 2312, 2516, 2822, 2890, 2960, 3071, 3145, 3320, 4624, 5032, 5644, 5780, 6142, 6290, 6640, 7055, 10064, 10693, 11288, 11560, 12284, 12580, 14110, 15355, 21386, 22576, 23120, 23987, 24568, 25160, 28220, 30710, 42772, 47974, 49136, 50320, 52207, 53465, 56440, 61420, 85544, 95948, 104414, 106930, 112880, 119935, 122840, 171088, 191896, 208828, 213860, 239870, 245680, 261035, 383792, 417656, 427720, 479740, 522070, 835312, 855440, 887519, 959480, 1044140, 1775038, 1918960, 2088280, 3550076, 4176560, 4437595, 7100152, 8875190, 14200304, 17750380, 35500760, 71001520]

約数ペア:

[(1, 71001520), (2, 35500760), (4, 17750380), (5, 14200304), (8, 8875190), (10, 7100152), (16, 4437595), (17, 4176560), (20, 3550076), (34, 2088280), (37, 1918960), (40, 1775038), (68, 1044140), (74, 959480), (80, 887519), (83, 855440), (85, 835312), (136, 522070), (148, 479740), (166, 427720), (170, 417656), (185, 383792), (272, 261035), (289, 245680), (296, 239870), (332, 213860), (340, 208828), (370, 191896), (415, 171088), (578, 122840), (592, 119935), (629, 112880), (664, 106930), (680, 104414), (740, 95948), (830, 85544), (1156, 61420), (1258, 56440), (1328, 53465), (1360, 52207), (1411, 50320), (1445, 49136), (1480, 47974), (1660, 42772), (2312, 30710), (2516, 28220), (2822, 25160), (2890, 24568), (2960, 23987), (3071, 23120), (3145, 22576), (3320, 21386), (4624, 15355), (5032, 14110), (5644, 12580), (5780, 12284), (6142, 11560), (6290, 11288), (6640, 10693), (7055, 10064)]