64462640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 179988480

約数和(自身を除く): 115525840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 80, 85, 88, 110, 124, 136, 139, 155, 170, 176, 187, 220, 248, 272, 278, 310, 340, 341, 374, 440, 496, 527, 556, 620, 680, 682, 695, 748, 880, 935, 1054, 1112, 1240, 1360, 1364, 1390, 1496, 1529, 1705, 1870, 2108, 2224, 2363, 2480, 2635, 2728, 2780, 2992, 3058, 3410, 3740, 4216, 4309, 4726, 5270, 5456, 5560, 5797, 6116, 6820, 7480, 7645, 8432, 8618, 9452, 10540, 11120, 11594, 11815, 12232, 13640, 14960, 15290, 17236, 18904, 21080, 21545, 23188, 23630, 24464, 25993, 27280, 28985, 30580, 34472, 37808, 42160, 43090, 46376, 47260, 47399, 51986, 57970, 61160, 68944, 73253, 86180, 92752, 94520, 94798, 103972, 115940, 122320, 129965, 146506, 172360, 189040, 189596, 207944, 231880, 236995, 259930, 293012, 344720, 366265, 379192, 415888, 463760, 473990, 519860, 586024, 732530, 758384, 805783, 947980, 1039720, 1172048, 1465060, 1611566, 1895960, 2079440, 2930120, 3223132, 3791920, 4028915, 5860240, 6446264, 8057830, 12892528, 16115660, 32231320, 64462640]

約数ペア:

[(1, 64462640), (2, 32231320), (4, 16115660), (5, 12892528), (8, 8057830), (10, 6446264), (11, 5860240), (16, 4028915), (17, 3791920), (20, 3223132), (22, 2930120), (31, 2079440), (34, 1895960), (40, 1611566), (44, 1465060), (55, 1172048), (62, 1039720), (68, 947980), (80, 805783), (85, 758384), (88, 732530), (110, 586024), (124, 519860), (136, 473990), (139, 463760), (155, 415888), (170, 379192), (176, 366265), (187, 344720), (220, 293012), (248, 259930), (272, 236995), (278, 231880), (310, 207944), (340, 189596), (341, 189040), (374, 172360), (440, 146506), (496, 129965), (527, 122320), (556, 115940), (620, 103972), (680, 94798), (682, 94520), (695, 92752), (748, 86180), (880, 73253), (935, 68944), (1054, 61160), (1112, 57970), (1240, 51986), (1360, 47399), (1364, 47260), (1390, 46376), (1496, 43090), (1529, 42160), (1705, 37808), (1870, 34472), (2108, 30580), (2224, 28985), (2363, 27280), (2480, 25993), (2635, 24464), (2728, 23630), (2780, 23188), (2992, 21545), (3058, 21080), (3410, 18904), (3740, 17236), (4216, 15290), (4309, 14960), (4726, 13640), (5270, 12232), (5456, 11815), (5560, 11594), (5797, 11120), (6116, 10540), (6820, 9452), (7480, 8618), (7645, 8432)]