251204040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1619}}^1$

素因数の和:2067

約数の個数: 96

約数和(自身を含む): 818812800

約数和(自身を除く): 567608760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 431, 862, 1293, 1619, 1724, 2155, 2586, 3238, 3448, 3879, 4310, 4857, 5172, 6465, 6476, 7758, 8095, 8620, 9714, 10344, 12930, 12952, 14571, 15516, 16190, 17240, 19395, 19428, 24285, 25860, 29142, 31032, 32380, 38790, 38856, 48570, 51720, 58284, 64760, 72855, 77580, 97140, 116568, 145710, 155160, 194280, 291420, 582840, 697789, 1395578, 2093367, 2791156, 3488945, 4186734, 5582312, 6280101, 6977890, 8373468, 10466835, 12560202, 13955780, 16746936, 20933670, 25120404, 27911560, 31400505, 41867340, 50240808, 62801010, 83734680, 125602020, 251204040]

約数ペア:

[(1, 251204040), (2, 125602020), (3, 83734680), (4, 62801010), (5, 50240808), (6, 41867340), (8, 31400505), (9, 27911560), (10, 25120404), (12, 20933670), (15, 16746936), (18, 13955780), (20, 12560202), (24, 10466835), (30, 8373468), (36, 6977890), (40, 6280101), (45, 5582312), (60, 4186734), (72, 3488945), (90, 2791156), (120, 2093367), (180, 1395578), (360, 697789), (431, 582840), (862, 291420), (1293, 194280), (1619, 155160), (1724, 145710), (2155, 116568), (2586, 97140), (3238, 77580), (3448, 72855), (3879, 64760), (4310, 58284), (4857, 51720), (5172, 48570), (6465, 38856), (6476, 38790), (7758, 32380), (8095, 31032), (8620, 29142), (9714, 25860), (10344, 24285), (12930, 19428), (12952, 19395), (14571, 17240), (15516, 16190)]