72399375

素因数分解:

$3^2\times 5^4\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 60

約数和(自身を含む): 133451032

約数和(自身を除く): 61051657

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 211, 225, 305, 375, 549, 625, 633, 915, 1055, 1125, 1525, 1875, 1899, 2745, 3165, 4575, 5275, 5625, 7625, 9495, 12871, 13725, 15825, 22875, 26375, 38125, 38613, 47475, 64355, 68625, 79125, 114375, 115839, 131875, 193065, 237375, 321775, 343125, 395625, 579195, 965325, 1186875, 1608875, 2895975, 4826625, 8044375, 14479875, 24133125, 72399375]

約数ペア:

[(1, 72399375), (3, 24133125), (5, 14479875), (9, 8044375), (15, 4826625), (25, 2895975), (45, 1608875), (61, 1186875), (75, 965325), (125, 579195), (183, 395625), (211, 343125), (225, 321775), (305, 237375), (375, 193065), (549, 131875), (625, 115839), (633, 114375), (915, 79125), (1055, 68625), (1125, 64355), (1525, 47475), (1875, 38613), (1899, 38125), (2745, 26375), (3165, 22875), (4575, 15825), (5275, 13725), (5625, 12871), (7625, 9495)]