638555360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7573}}^1$

素因数の和:7636

約数の個数: 96

約数和(自身を含む): 1649071872

約数和(自身を除く): 1010516512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 496, 527, 544, 620, 680, 992, 1054, 1240, 1360, 2108, 2480, 2635, 2720, 4216, 4960, 5270, 7573, 8432, 10540, 15146, 16864, 21080, 30292, 37865, 42160, 60584, 75730, 84320, 121168, 128741, 151460, 234763, 242336, 257482, 302920, 469526, 514964, 605840, 643705, 939052, 1029928, 1173815, 1211680, 1287410, 1878104, 2059856, 2347630, 2574820, 3756208, 3990971, 4119712, 4695260, 5149640, 7512416, 7981942, 9390520, 10299280, 15963884, 18781040, 19954855, 20598560, 31927768, 37562080, 39909710, 63855536, 79819420, 127711072, 159638840, 319277680, 638555360]

約数ペア:

[(1, 638555360), (2, 319277680), (4, 159638840), (5, 127711072), (8, 79819420), (10, 63855536), (16, 39909710), (17, 37562080), (20, 31927768), (31, 20598560), (32, 19954855), (34, 18781040), (40, 15963884), (62, 10299280), (68, 9390520), (80, 7981942), (85, 7512416), (124, 5149640), (136, 4695260), (155, 4119712), (160, 3990971), (170, 3756208), (248, 2574820), (272, 2347630), (310, 2059856), (340, 1878104), (496, 1287410), (527, 1211680), (544, 1173815), (620, 1029928), (680, 939052), (992, 643705), (1054, 605840), (1240, 514964), (1360, 469526), (2108, 302920), (2480, 257482), (2635, 242336), (2720, 234763), (4216, 151460), (4960, 128741), (5270, 121168), (7573, 84320), (8432, 75730), (10540, 60584), (15146, 42160), (16864, 37865), (21080, 30292)]