1219880560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2843

約数の個数: 120

約数和(自身を含む): 3172587120

約数和(自身を除く): 1952706560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 289, 304, 323, 340, 380, 578, 646, 680, 760, 1156, 1292, 1360, 1445, 1520, 1615, 2312, 2584, 2777, 2890, 3230, 4624, 5168, 5491, 5554, 5780, 6460, 10982, 11108, 11560, 12920, 13885, 21964, 22216, 23120, 25840, 27455, 27770, 43928, 44432, 47209, 52763, 54910, 55540, 87856, 94418, 105526, 109820, 111080, 188836, 211052, 219640, 222160, 236045, 263815, 377672, 422104, 439280, 472090, 527630, 755344, 802553, 844208, 896971, 944180, 1055260, 1605106, 1793942, 1888360, 2110520, 3210212, 3587884, 3776720, 4012765, 4221040, 4484855, 6420424, 7175768, 8025530, 8969710, 12840848, 14351536, 15248507, 16051060, 17939420, 30497014, 32102120, 35878840, 60994028, 64204240, 71757680, 76242535, 121988056, 152485070, 243976112, 304970140, 609940280, 1219880560]

約数ペア:

[(1, 1219880560), (2, 609940280), (4, 304970140), (5, 243976112), (8, 152485070), (10, 121988056), (16, 76242535), (17, 71757680), (19, 64204240), (20, 60994028), (34, 35878840), (38, 32102120), (40, 30497014), (68, 17939420), (76, 16051060), (80, 15248507), (85, 14351536), (95, 12840848), (136, 8969710), (152, 8025530), (170, 7175768), (190, 6420424), (272, 4484855), (289, 4221040), (304, 4012765), (323, 3776720), (340, 3587884), (380, 3210212), (578, 2110520), (646, 1888360), (680, 1793942), (760, 1605106), (1156, 1055260), (1292, 944180), (1360, 896971), (1445, 844208), (1520, 802553), (1615, 755344), (2312, 527630), (2584, 472090), (2777, 439280), (2890, 422104), (3230, 377672), (4624, 263815), (5168, 236045), (5491, 222160), (5554, 219640), (5780, 211052), (6460, 188836), (10982, 111080), (11108, 109820), (11560, 105526), (12920, 94418), (13885, 87856), (21964, 55540), (22216, 54910), (23120, 52763), (25840, 47209), (27455, 44432), (27770, 43928)]