231527920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11717}}^1$

素因数の和:11762

約数の個数: 80

約数和(自身を含む): 610273440

約数和(自身を除く): 378745520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 11717, 19760, 23434, 46868, 58585, 93736, 117170, 152321, 187472, 222623, 234340, 304642, 445246, 468680, 609284, 761605, 890492, 937360, 1113115, 1218568, 1523210, 1780984, 2226230, 2437136, 2894099, 3046420, 3561968, 4452460, 5788198, 6092840, 8904920, 11576396, 12185680, 14470495, 17809840, 23152792, 28940990, 46305584, 57881980, 115763960, 231527920]

約数ペア:

[(1, 231527920), (2, 115763960), (4, 57881980), (5, 46305584), (8, 28940990), (10, 23152792), (13, 17809840), (16, 14470495), (19, 12185680), (20, 11576396), (26, 8904920), (38, 6092840), (40, 5788198), (52, 4452460), (65, 3561968), (76, 3046420), (80, 2894099), (95, 2437136), (104, 2226230), (130, 1780984), (152, 1523210), (190, 1218568), (208, 1113115), (247, 937360), (260, 890492), (304, 761605), (380, 609284), (494, 468680), (520, 445246), (760, 304642), (988, 234340), (1040, 222623), (1235, 187472), (1520, 152321), (1976, 117170), (2470, 93736), (3952, 58585), (4940, 46868), (9880, 23434), (11717, 19760)]