72261525

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{53}}^2$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 142004800

約数和(自身を除く): 69743275

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 53, 75, 105, 147, 159, 175, 245, 265, 343, 371, 525, 735, 795, 1029, 1113, 1225, 1325, 1715, 1855, 2597, 2809, 3675, 3975, 5145, 5565, 7791, 8427, 8575, 9275, 12985, 14045, 18179, 19663, 25725, 27825, 38955, 42135, 54537, 58989, 64925, 70225, 90895, 98315, 137641, 194775, 210675, 272685, 294945, 412923, 454475, 491575, 688205, 963487, 1363425, 1474725, 2064615, 2890461, 3441025, 4817435, 10323075, 14452305, 24087175, 72261525]

約数ペア:

[(1, 72261525), (3, 24087175), (5, 14452305), (7, 10323075), (15, 4817435), (21, 3441025), (25, 2890461), (35, 2064615), (49, 1474725), (53, 1363425), (75, 963487), (105, 688205), (147, 491575), (159, 454475), (175, 412923), (245, 294945), (265, 272685), (343, 210675), (371, 194775), (525, 137641), (735, 98315), (795, 90895), (1029, 70225), (1113, 64925), (1225, 58989), (1325, 54537), (1715, 42135), (1855, 38955), (2597, 27825), (2809, 25725), (3675, 19663), (3975, 18179), (5145, 14045), (5565, 12985), (7791, 9275), (8427, 8575)]