128151520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3691}}^1$

素因数の和:3744

約数の個数: 96

約数和(自身を含む): 357267456

約数和(自身を除く): 229115936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 3691, 4340, 4960, 6944, 7382, 8680, 14764, 17360, 18455, 25837, 29528, 34720, 36910, 51674, 59056, 73820, 103348, 114421, 118112, 129185, 147640, 206696, 228842, 258370, 295280, 413392, 457684, 516740, 572105, 590560, 800947, 826784, 915368, 1033480, 1144210, 1601894, 1830736, 2066960, 2288420, 3203788, 3661472, 4004735, 4133920, 4576840, 6407576, 8009470, 9153680, 12815152, 16018940, 18307360, 25630304, 32037880, 64075760, 128151520]

約数ペア:

[(1, 128151520), (2, 64075760), (4, 32037880), (5, 25630304), (7, 18307360), (8, 16018940), (10, 12815152), (14, 9153680), (16, 8009470), (20, 6407576), (28, 4576840), (31, 4133920), (32, 4004735), (35, 3661472), (40, 3203788), (56, 2288420), (62, 2066960), (70, 1830736), (80, 1601894), (112, 1144210), (124, 1033480), (140, 915368), (155, 826784), (160, 800947), (217, 590560), (224, 572105), (248, 516740), (280, 457684), (310, 413392), (434, 295280), (496, 258370), (560, 228842), (620, 206696), (868, 147640), (992, 129185), (1085, 118112), (1120, 114421), (1240, 103348), (1736, 73820), (2170, 59056), (2480, 51674), (3472, 36910), (3691, 34720), (4340, 29528), (4960, 25837), (6944, 18455), (7382, 17360), (8680, 14764)]