72500025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 139491072

約数和(自身を除く): 66991047

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 53, 61, 65, 69, 75, 115, 159, 183, 195, 265, 299, 305, 325, 345, 575, 689, 793, 795, 897, 915, 975, 1219, 1325, 1403, 1495, 1525, 1725, 2067, 2379, 3233, 3445, 3657, 3965, 3975, 4209, 4485, 4575, 6095, 7015, 7475, 9699, 10335, 11895, 15847, 16165, 17225, 18239, 18285, 19825, 21045, 22425, 30475, 35075, 42029, 47541, 48495, 51675, 54717, 59475, 74359, 79235, 80825, 91195, 91425, 105225, 126087, 210145, 223077, 237705, 242475, 273585, 371795, 396175, 455975, 630435, 966667, 1050725, 1115385, 1188525, 1367925, 1858975, 2900001, 3152175, 4833335, 5576925, 14500005, 24166675, 72500025]

約数ペア:

[(1, 72500025), (3, 24166675), (5, 14500005), (13, 5576925), (15, 4833335), (23, 3152175), (25, 2900001), (39, 1858975), (53, 1367925), (61, 1188525), (65, 1115385), (69, 1050725), (75, 966667), (115, 630435), (159, 455975), (183, 396175), (195, 371795), (265, 273585), (299, 242475), (305, 237705), (325, 223077), (345, 210145), (575, 126087), (689, 105225), (793, 91425), (795, 91195), (897, 80825), (915, 79235), (975, 74359), (1219, 59475), (1325, 54717), (1403, 51675), (1495, 48495), (1525, 47541), (1725, 42029), (2067, 35075), (2379, 30475), (3233, 22425), (3445, 21045), (3657, 19825), (3965, 18285), (3975, 18239), (4209, 17225), (4485, 16165), (4575, 15847), (6095, 11895), (7015, 10335), (7475, 9699)]