256515750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 698686560

約数和(自身を除く): 442170810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 173, 225, 250, 346, 375, 450, 519, 659, 750, 865, 1038, 1125, 1318, 1557, 1730, 1977, 2250, 2595, 3114, 3295, 3954, 4325, 5190, 5931, 6590, 7785, 8650, 9885, 11862, 12975, 15570, 16475, 19770, 21625, 25950, 29655, 32950, 38925, 43250, 49425, 59310, 64875, 77850, 82375, 98850, 114007, 129750, 148275, 164750, 194625, 228014, 247125, 296550, 342021, 389250, 494250, 570035, 684042, 741375, 1026063, 1140070, 1482750, 1710105, 2052126, 2850175, 3420210, 5130315, 5700350, 8550525, 10260630, 14250875, 17101050, 25651575, 28501750, 42752625, 51303150, 85505250, 128257875, 256515750]

約数ペア:

[(1, 256515750), (2, 128257875), (3, 85505250), (5, 51303150), (6, 42752625), (9, 28501750), (10, 25651575), (15, 17101050), (18, 14250875), (25, 10260630), (30, 8550525), (45, 5700350), (50, 5130315), (75, 3420210), (90, 2850175), (125, 2052126), (150, 1710105), (173, 1482750), (225, 1140070), (250, 1026063), (346, 741375), (375, 684042), (450, 570035), (519, 494250), (659, 389250), (750, 342021), (865, 296550), (1038, 247125), (1125, 228014), (1318, 194625), (1557, 164750), (1730, 148275), (1977, 129750), (2250, 114007), (2595, 98850), (3114, 82375), (3295, 77850), (3954, 64875), (4325, 59310), (5190, 49425), (5931, 43250), (6590, 38925), (7785, 32950), (8650, 29655), (9885, 25950), (11862, 21625), (12975, 19770), (15570, 16475)]