1278903560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{19249}}^1$

素因数の和:19422

約数の個数: 64

約数和(自身を含む): 3160080000

約数和(自身を除く): 1881176440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 604, 755, 1208, 1510, 1661, 3020, 3322, 6040, 6644, 8305, 13288, 16610, 19249, 33220, 38498, 66440, 76996, 96245, 153992, 192490, 211739, 384980, 423478, 769960, 846956, 1058695, 1693912, 2117390, 2906599, 4234780, 5813198, 8469560, 11626396, 14532995, 23252792, 29065990, 31972589, 58131980, 63945178, 116263960, 127890356, 159862945, 255780712, 319725890, 639451780, 1278903560]

約数ペア:

[(1, 1278903560), (2, 639451780), (4, 319725890), (5, 255780712), (8, 159862945), (10, 127890356), (11, 116263960), (20, 63945178), (22, 58131980), (40, 31972589), (44, 29065990), (55, 23252792), (88, 14532995), (110, 11626396), (151, 8469560), (220, 5813198), (302, 4234780), (440, 2906599), (604, 2117390), (755, 1693912), (1208, 1058695), (1510, 846956), (1661, 769960), (3020, 423478), (3322, 384980), (6040, 211739), (6644, 192490), (8305, 153992), (13288, 96245), (16610, 76996), (19249, 66440), (33220, 38498)]