79983640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 214228800

約数和(自身を除く): 134245160

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 37, 40, 44, 55, 68, 74, 85, 88, 110, 136, 148, 170, 185, 187, 220, 289, 296, 340, 370, 374, 407, 440, 578, 629, 680, 740, 748, 814, 935, 1156, 1258, 1445, 1480, 1496, 1628, 1870, 2035, 2312, 2516, 2890, 3145, 3179, 3256, 3740, 4070, 4913, 5032, 5780, 6290, 6358, 6919, 7480, 8140, 9826, 10693, 11560, 12580, 12716, 13838, 15895, 16280, 19652, 21386, 24565, 25160, 25432, 27676, 31790, 34595, 39304, 42772, 49130, 53465, 54043, 55352, 63580, 69190, 85544, 98260, 106930, 108086, 117623, 127160, 138380, 181781, 196520, 213860, 216172, 235246, 270215, 276760, 363562, 427720, 432344, 470492, 540430, 588115, 727124, 908905, 940984, 1080860, 1176230, 1454248, 1817810, 1999591, 2161720, 2352460, 3635620, 3999182, 4704920, 7271240, 7998364, 9997955, 15996728, 19995910, 39991820, 79983640]

約数ペア:

[(1, 79983640), (2, 39991820), (4, 19995910), (5, 15996728), (8, 9997955), (10, 7998364), (11, 7271240), (17, 4704920), (20, 3999182), (22, 3635620), (34, 2352460), (37, 2161720), (40, 1999591), (44, 1817810), (55, 1454248), (68, 1176230), (74, 1080860), (85, 940984), (88, 908905), (110, 727124), (136, 588115), (148, 540430), (170, 470492), (185, 432344), (187, 427720), (220, 363562), (289, 276760), (296, 270215), (340, 235246), (370, 216172), (374, 213860), (407, 196520), (440, 181781), (578, 138380), (629, 127160), (680, 117623), (740, 108086), (748, 106930), (814, 98260), (935, 85544), (1156, 69190), (1258, 63580), (1445, 55352), (1480, 54043), (1496, 53465), (1628, 49130), (1870, 42772), (2035, 39304), (2312, 34595), (2516, 31790), (2890, 27676), (3145, 25432), (3179, 25160), (3256, 24565), (3740, 21386), (4070, 19652), (4913, 16280), (5032, 15895), (5780, 13838), (6290, 12716), (6358, 12580), (6919, 11560), (7480, 10693), (8140, 9826)]