15880125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 29113344

約数和(自身を除く): 13233219

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 53, 75, 85, 125, 141, 159, 235, 255, 265, 375, 425, 705, 795, 799, 901, 1175, 1275, 1325, 2125, 2397, 2491, 2703, 3525, 3975, 3995, 4505, 5875, 6375, 6625, 7473, 11985, 12455, 13515, 17625, 19875, 19975, 22525, 37365, 42347, 59925, 62275, 67575, 99875, 112625, 127041, 186825, 211735, 299625, 311375, 337875, 635205, 934125, 1058675, 3176025, 5293375, 15880125]

約数ペア:

[(1, 15880125), (3, 5293375), (5, 3176025), (15, 1058675), (17, 934125), (25, 635205), (47, 337875), (51, 311375), (53, 299625), (75, 211735), (85, 186825), (125, 127041), (141, 112625), (159, 99875), (235, 67575), (255, 62275), (265, 59925), (375, 42347), (425, 37365), (705, 22525), (795, 19975), (799, 19875), (901, 17625), (1175, 13515), (1275, 12455), (1325, 11985), (2125, 7473), (2397, 6625), (2491, 6375), (2703, 5875), (3525, 4505), (3975, 3995)]