256797180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46021}}^1$

素因数の和:46067

約数の個数: 72

約数和(自身を含む): 804096384

約数和(自身を除く): 547299204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 46021, 92042, 138063, 184084, 230105, 276126, 414189, 460210, 552252, 690315, 828378, 920420, 1380630, 1426651, 1656756, 2070945, 2761260, 2853302, 4141890, 4279953, 5706604, 7133255, 8283780, 8559906, 12839859, 14266510, 17119812, 21399765, 25679718, 28533020, 42799530, 51359436, 64199295, 85599060, 128398590, 256797180]

約数ペア:

[(1, 256797180), (2, 128398590), (3, 85599060), (4, 64199295), (5, 51359436), (6, 42799530), (9, 28533020), (10, 25679718), (12, 21399765), (15, 17119812), (18, 14266510), (20, 12839859), (30, 8559906), (31, 8283780), (36, 7133255), (45, 5706604), (60, 4279953), (62, 4141890), (90, 2853302), (93, 2761260), (124, 2070945), (155, 1656756), (180, 1426651), (186, 1380630), (279, 920420), (310, 828378), (372, 690315), (465, 552252), (558, 460210), (620, 414189), (930, 276126), (1116, 230105), (1395, 184084), (1860, 138063), (2790, 92042), (5580, 46021)]