131519360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1004

約数の個数: 128

約数和(自身を含む): 371312640

約数和(自身を除く): 239793280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 947, 992, 1085, 1120, 1240, 1736, 1894, 1984, 2170, 2240, 2480, 3472, 3788, 3968, 4340, 4480, 4735, 4960, 6629, 6944, 7576, 8680, 9470, 9920, 13258, 13888, 15152, 17360, 18940, 19840, 26516, 27776, 29357, 30304, 33145, 34720, 37880, 53032, 58714, 60608, 66290, 69440, 75760, 106064, 117428, 121216, 132580, 138880, 146785, 151520, 205499, 212128, 234856, 265160, 293570, 303040, 410998, 424256, 469712, 530320, 587140, 606080, 821996, 848512, 939424, 1027495, 1060640, 1174280, 1643992, 1878848, 2054990, 2121280, 2348560, 3287984, 3757696, 4109980, 4242560, 4697120, 6575968, 8219960, 9394240, 13151936, 16439920, 18788480, 26303872, 32879840, 65759680, 131519360]

約数ペア:

[(1, 131519360), (2, 65759680), (4, 32879840), (5, 26303872), (7, 18788480), (8, 16439920), (10, 13151936), (14, 9394240), (16, 8219960), (20, 6575968), (28, 4697120), (31, 4242560), (32, 4109980), (35, 3757696), (40, 3287984), (56, 2348560), (62, 2121280), (64, 2054990), (70, 1878848), (80, 1643992), (112, 1174280), (124, 1060640), (128, 1027495), (140, 939424), (155, 848512), (160, 821996), (217, 606080), (224, 587140), (248, 530320), (280, 469712), (310, 424256), (320, 410998), (434, 303040), (448, 293570), (496, 265160), (560, 234856), (620, 212128), (640, 205499), (868, 151520), (896, 146785), (947, 138880), (992, 132580), (1085, 121216), (1120, 117428), (1240, 106064), (1736, 75760), (1894, 69440), (1984, 66290), (2170, 60608), (2240, 58714), (2480, 53032), (3472, 37880), (3788, 34720), (3968, 33145), (4340, 30304), (4480, 29357), (4735, 27776), (4960, 26516), (6629, 19840), (6944, 18940), (7576, 17360), (8680, 15152), (9470, 13888), (9920, 13258)]