257665680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4021}}^1$

素因数の和:4129

約数の個数: 120

約数和(自身を含む): 875267640

約数和(自身を除く): 617601960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 534, 712, 720, 801, 890, 1068, 1335, 1424, 1602, 1780, 2136, 2670, 3204, 3560, 4005, 4021, 4272, 5340, 6408, 7120, 8010, 8042, 10680, 12063, 12816, 16020, 16084, 20105, 21360, 24126, 32040, 32168, 36189, 40210, 48252, 60315, 64080, 64336, 72378, 80420, 96504, 120630, 144756, 160840, 180945, 193008, 241260, 289512, 321680, 357869, 361890, 482520, 579024, 715738, 723780, 965040, 1073607, 1431476, 1447560, 1789345, 2147214, 2862952, 2895120, 3220821, 3578690, 4294428, 5368035, 5725904, 6441642, 7157380, 8588856, 10736070, 12883284, 14314760, 16104105, 17177712, 21472140, 25766568, 28629520, 32208210, 42944280, 51533136, 64416420, 85888560, 128832840, 257665680]

約数ペア:

[(1, 257665680), (2, 128832840), (3, 85888560), (4, 64416420), (5, 51533136), (6, 42944280), (8, 32208210), (9, 28629520), (10, 25766568), (12, 21472140), (15, 17177712), (16, 16104105), (18, 14314760), (20, 12883284), (24, 10736070), (30, 8588856), (36, 7157380), (40, 6441642), (45, 5725904), (48, 5368035), (60, 4294428), (72, 3578690), (80, 3220821), (89, 2895120), (90, 2862952), (120, 2147214), (144, 1789345), (178, 1447560), (180, 1431476), (240, 1073607), (267, 965040), (356, 723780), (360, 715738), (445, 579024), (534, 482520), (712, 361890), (720, 357869), (801, 321680), (890, 289512), (1068, 241260), (1335, 193008), (1424, 180945), (1602, 160840), (1780, 144756), (2136, 120630), (2670, 96504), (3204, 80420), (3560, 72378), (4005, 64336), (4021, 64080), (4272, 60315), (5340, 48252), (6408, 40210), (7120, 36189), (8010, 32168), (8042, 32040), (10680, 24126), (12063, 21360), (12816, 20105), (16020, 16084)]