265053720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1$

素因数の和:1745

約数の個数: 128

約数和(自身を含む): 840407040

約数和(自身を除く): 575353320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1290, 1333, 1657, 1720, 1860, 2580, 2666, 3314, 3720, 3999, 4971, 5160, 5332, 6628, 6665, 7998, 8285, 9942, 10664, 13256, 13330, 15996, 16570, 19884, 19995, 24855, 26660, 31992, 33140, 39768, 39990, 49710, 51367, 53320, 66280, 71251, 79980, 99420, 102734, 142502, 154101, 159960, 198840, 205468, 213753, 256835, 285004, 308202, 356255, 410936, 427506, 513670, 570008, 616404, 712510, 770505, 855012, 1027340, 1068765, 1232808, 1425020, 1541010, 1710024, 2054680, 2137530, 2208781, 2850040, 3082020, 4275060, 4417562, 6164040, 6626343, 8550120, 8835124, 11043905, 13252686, 17670248, 22087810, 26505372, 33131715, 44175620, 53010744, 66263430, 88351240, 132526860, 265053720]

約数ペア:

[(1, 265053720), (2, 132526860), (3, 88351240), (4, 66263430), (5, 53010744), (6, 44175620), (8, 33131715), (10, 26505372), (12, 22087810), (15, 17670248), (20, 13252686), (24, 11043905), (30, 8835124), (31, 8550120), (40, 6626343), (43, 6164040), (60, 4417562), (62, 4275060), (86, 3082020), (93, 2850040), (120, 2208781), (124, 2137530), (129, 2054680), (155, 1710024), (172, 1541010), (186, 1425020), (215, 1232808), (248, 1068765), (258, 1027340), (310, 855012), (344, 770505), (372, 712510), (430, 616404), (465, 570008), (516, 513670), (620, 427506), (645, 410936), (744, 356255), (860, 308202), (930, 285004), (1032, 256835), (1240, 213753), (1290, 205468), (1333, 198840), (1657, 159960), (1720, 154101), (1860, 142502), (2580, 102734), (2666, 99420), (3314, 79980), (3720, 71251), (3999, 66280), (4971, 53320), (5160, 51367), (5332, 49710), (6628, 39990), (6665, 39768), (7998, 33140), (8285, 31992), (9942, 26660), (10664, 24855), (13256, 19995), (13330, 19884), (15996, 16570)]