248277760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6257}}^1$

素因数の和:6309

約数の個数: 72

約数和(自身を含む): 613984896

約数和(自身を除く): 365707136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 6257, 7936, 9920, 12514, 19840, 25028, 31285, 39680, 50056, 62570, 100112, 125140, 193967, 200224, 250280, 387934, 400448, 500560, 775868, 800896, 969835, 1001120, 1551736, 1601792, 1939670, 2002240, 3103472, 3879340, 4004480, 6206944, 7758680, 8008960, 12413888, 15517360, 24827776, 31034720, 49655552, 62069440, 124138880, 248277760]

約数ペア:

[(1, 248277760), (2, 124138880), (4, 62069440), (5, 49655552), (8, 31034720), (10, 24827776), (16, 15517360), (20, 12413888), (31, 8008960), (32, 7758680), (40, 6206944), (62, 4004480), (64, 3879340), (80, 3103472), (124, 2002240), (128, 1939670), (155, 1601792), (160, 1551736), (248, 1001120), (256, 969835), (310, 800896), (320, 775868), (496, 500560), (620, 400448), (640, 387934), (992, 250280), (1240, 200224), (1280, 193967), (1984, 125140), (2480, 100112), (3968, 62570), (4960, 50056), (6257, 39680), (7936, 31285), (9920, 25028), (12514, 19840)]