64209740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 164505600

約数和(自身を除く): 100295860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 101, 133, 140, 190, 202, 239, 266, 380, 404, 478, 505, 532, 665, 707, 956, 1010, 1195, 1330, 1414, 1673, 1919, 2020, 2390, 2660, 2828, 3346, 3535, 3838, 4541, 4780, 6692, 7070, 7676, 8365, 9082, 9595, 13433, 14140, 16730, 18164, 19190, 22705, 24139, 26866, 31787, 33460, 38380, 45410, 48278, 53732, 63574, 67165, 90820, 96556, 120695, 127148, 134330, 158935, 168973, 241390, 268660, 317870, 337946, 458641, 482780, 635740, 675892, 844865, 917282, 1689730, 1834564, 2293205, 3210487, 3379460, 4586410, 6420974, 9172820, 12841948, 16052435, 32104870, 64209740]

約数ペア:

[(1, 64209740), (2, 32104870), (4, 16052435), (5, 12841948), (7, 9172820), (10, 6420974), (14, 4586410), (19, 3379460), (20, 3210487), (28, 2293205), (35, 1834564), (38, 1689730), (70, 917282), (76, 844865), (95, 675892), (101, 635740), (133, 482780), (140, 458641), (190, 337946), (202, 317870), (239, 268660), (266, 241390), (380, 168973), (404, 158935), (478, 134330), (505, 127148), (532, 120695), (665, 96556), (707, 90820), (956, 67165), (1010, 63574), (1195, 53732), (1330, 48278), (1414, 45410), (1673, 38380), (1919, 33460), (2020, 31787), (2390, 26866), (2660, 24139), (2828, 22705), (3346, 19190), (3535, 18164), (3838, 16730), (4541, 14140), (4780, 13433), (6692, 9595), (7070, 9082), (7676, 8365)]