154355240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:979

約数の個数: 128

約数和(自身を含む): 417312000

約数和(自身を除く): 262956760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 520, 646, 680, 760, 884, 919, 988, 1105, 1235, 1292, 1615, 1768, 1838, 1976, 2210, 2470, 2584, 3230, 3676, 4199, 4420, 4595, 4940, 6460, 7352, 8398, 8840, 9190, 9880, 11947, 12920, 15623, 16796, 17461, 18380, 20995, 23894, 31246, 33592, 34922, 36760, 41990, 47788, 59735, 62492, 69844, 78115, 83980, 87305, 95576, 119470, 124984, 139688, 156230, 167960, 174610, 203099, 226993, 238940, 296837, 312460, 349220, 406198, 453986, 477880, 593674, 624920, 698440, 812396, 907972, 1015495, 1134965, 1187348, 1484185, 1624792, 1815944, 2030990, 2269930, 2374696, 2968370, 3858881, 4061980, 4539860, 5936740, 7717762, 8123960, 9079720, 11873480, 15435524, 19294405, 30871048, 38588810, 77177620, 154355240]

約数ペア:

[(1, 154355240), (2, 77177620), (4, 38588810), (5, 30871048), (8, 19294405), (10, 15435524), (13, 11873480), (17, 9079720), (19, 8123960), (20, 7717762), (26, 5936740), (34, 4539860), (38, 4061980), (40, 3858881), (52, 2968370), (65, 2374696), (68, 2269930), (76, 2030990), (85, 1815944), (95, 1624792), (104, 1484185), (130, 1187348), (136, 1134965), (152, 1015495), (170, 907972), (190, 812396), (221, 698440), (247, 624920), (260, 593674), (323, 477880), (340, 453986), (380, 406198), (442, 349220), (494, 312460), (520, 296837), (646, 238940), (680, 226993), (760, 203099), (884, 174610), (919, 167960), (988, 156230), (1105, 139688), (1235, 124984), (1292, 119470), (1615, 95576), (1768, 87305), (1838, 83980), (1976, 78115), (2210, 69844), (2470, 62492), (2584, 59735), (3230, 47788), (3676, 41990), (4199, 36760), (4420, 34922), (4595, 33592), (4940, 31246), (6460, 23894), (7352, 20995), (8398, 18380), (8840, 17461), (9190, 16796), (9880, 15623), (11947, 12920)]