256240960

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5303}}^1$

素因数の和:5471

約数の個数: 56

約数和(自身を含む): 614330496

約数和(自身を除く): 358089536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 604, 755, 1208, 1510, 2416, 3020, 4832, 5303, 6040, 9664, 10606, 12080, 21212, 24160, 26515, 42424, 48320, 53030, 84848, 106060, 169696, 212120, 339392, 424240, 800753, 848480, 1601506, 1696960, 3203012, 4003765, 6406024, 8007530, 12812048, 16015060, 25624096, 32030120, 51248192, 64060240, 128120480, 256240960]

約数ペア:

[(1, 256240960), (2, 128120480), (4, 64060240), (5, 51248192), (8, 32030120), (10, 25624096), (16, 16015060), (20, 12812048), (32, 8007530), (40, 6406024), (64, 4003765), (80, 3203012), (151, 1696960), (160, 1601506), (302, 848480), (320, 800753), (604, 424240), (755, 339392), (1208, 212120), (1510, 169696), (2416, 106060), (3020, 84848), (4832, 53030), (5303, 48320), (6040, 42424), (9664, 26515), (10606, 24160), (12080, 21212)]