20120625

素因数分解:

$3^2\times 5^4\times 7^2\times {\mathrm{73}}^1$

素因数の和:113

約数の個数: 90

約数和(自身を含む): 42825354

約数和(自身を除く): 22704729

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 73, 75, 105, 125, 147, 175, 219, 225, 245, 315, 365, 375, 441, 511, 525, 625, 657, 735, 875, 1095, 1125, 1225, 1533, 1575, 1825, 1875, 2205, 2555, 2625, 3285, 3577, 3675, 4375, 4599, 5475, 5625, 6125, 7665, 7875, 9125, 10731, 11025, 12775, 13125, 16425, 17885, 18375, 22995, 27375, 30625, 32193, 38325, 39375, 45625, 53655, 55125, 63875, 82125, 89425, 91875, 114975, 136875, 160965, 191625, 268275, 275625, 319375, 410625, 447125, 574875, 804825, 958125, 1341375, 2235625, 2874375, 4024125, 6706875, 20120625]

約数ペア:

[(1, 20120625), (3, 6706875), (5, 4024125), (7, 2874375), (9, 2235625), (15, 1341375), (21, 958125), (25, 804825), (35, 574875), (45, 447125), (49, 410625), (63, 319375), (73, 275625), (75, 268275), (105, 191625), (125, 160965), (147, 136875), (175, 114975), (219, 91875), (225, 89425), (245, 82125), (315, 63875), (365, 55125), (375, 53655), (441, 45625), (511, 39375), (525, 38325), (625, 32193), (657, 30625), (735, 27375), (875, 22995), (1095, 18375), (1125, 17885), (1225, 16425), (1533, 13125), (1575, 12775), (1825, 11025), (1875, 10731), (2205, 9125), (2555, 7875), (2625, 7665), (3285, 6125), (3577, 5625), (3675, 5475), (4375, 4599)]