128534640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3169}}^1$

素因数の和:3211

約数の個数: 120

約数和(自身を含む): 431601840

約数和(自身を除く): 303067200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3169, 3380, 4056, 5070, 6338, 6760, 8112, 9507, 10140, 12676, 13520, 15845, 19014, 20280, 25352, 31690, 38028, 40560, 41197, 47535, 50704, 63380, 76056, 82394, 95070, 123591, 126760, 152112, 164788, 190140, 205985, 247182, 253520, 329576, 380280, 411970, 494364, 535561, 617955, 659152, 760560, 823940, 988728, 1071122, 1235910, 1606683, 1647880, 1977456, 2142244, 2471820, 2677805, 3213366, 3295760, 4284488, 4943640, 5355610, 6426732, 8033415, 8568976, 9887280, 10711220, 12853464, 16066830, 21422440, 25706928, 32133660, 42844880, 64267320, 128534640]

約数ペア:

[(1, 128534640), (2, 64267320), (3, 42844880), (4, 32133660), (5, 25706928), (6, 21422440), (8, 16066830), (10, 12853464), (12, 10711220), (13, 9887280), (15, 8568976), (16, 8033415), (20, 6426732), (24, 5355610), (26, 4943640), (30, 4284488), (39, 3295760), (40, 3213366), (48, 2677805), (52, 2471820), (60, 2142244), (65, 1977456), (78, 1647880), (80, 1606683), (104, 1235910), (120, 1071122), (130, 988728), (156, 823940), (169, 760560), (195, 659152), (208, 617955), (240, 535561), (260, 494364), (312, 411970), (338, 380280), (390, 329576), (507, 253520), (520, 247182), (624, 205985), (676, 190140), (780, 164788), (845, 152112), (1014, 126760), (1040, 123591), (1352, 95070), (1560, 82394), (1690, 76056), (2028, 63380), (2535, 50704), (2704, 47535), (3120, 41197), (3169, 40560), (3380, 38028), (4056, 31690), (5070, 25352), (6338, 20280), (6760, 19014), (8112, 15845), (9507, 13520), (10140, 12676)]