15747420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1553}}^1$

素因数の和:1591

約数の個数: 72

約数和(自身を含む): 47776176

約数和(自身を除く): 32028756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1553, 1690, 2028, 2535, 3106, 3380, 4659, 5070, 6212, 7765, 9318, 10140, 15530, 18636, 20189, 23295, 31060, 40378, 46590, 60567, 80756, 93180, 100945, 121134, 201890, 242268, 262457, 302835, 403780, 524914, 605670, 787371, 1049828, 1211340, 1312285, 1574742, 2624570, 3149484, 3936855, 5249140, 7873710, 15747420]

約数ペア:

[(1, 15747420), (2, 7873710), (3, 5249140), (4, 3936855), (5, 3149484), (6, 2624570), (10, 1574742), (12, 1312285), (13, 1211340), (15, 1049828), (20, 787371), (26, 605670), (30, 524914), (39, 403780), (52, 302835), (60, 262457), (65, 242268), (78, 201890), (130, 121134), (156, 100945), (169, 93180), (195, 80756), (260, 60567), (338, 46590), (390, 40378), (507, 31060), (676, 23295), (780, 20189), (845, 18636), (1014, 15530), (1553, 10140), (1690, 9318), (2028, 7765), (2535, 6212), (3106, 5070), (3380, 4659)]