80478825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 157757760

約数和(自身を除く): 77278935

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 61, 75, 105, 147, 175, 183, 245, 305, 359, 427, 525, 735, 915, 1077, 1225, 1281, 1525, 1795, 2135, 2513, 2989, 3675, 4575, 5385, 6405, 7539, 8967, 8975, 10675, 12565, 14945, 17591, 21899, 26925, 32025, 37695, 44835, 52773, 62825, 65697, 74725, 87955, 109495, 153293, 188475, 224175, 263865, 328485, 439775, 459879, 547475, 766465, 1073051, 1319325, 1642425, 2299395, 3219153, 3832325, 5365255, 11496975, 16095765, 26826275, 80478825]

約数ペア:

[(1, 80478825), (3, 26826275), (5, 16095765), (7, 11496975), (15, 5365255), (21, 3832325), (25, 3219153), (35, 2299395), (49, 1642425), (61, 1319325), (75, 1073051), (105, 766465), (147, 547475), (175, 459879), (183, 439775), (245, 328485), (305, 263865), (359, 224175), (427, 188475), (525, 153293), (735, 109495), (915, 87955), (1077, 74725), (1225, 65697), (1281, 62825), (1525, 52773), (1795, 44835), (2135, 37695), (2513, 32025), (2989, 26925), (3675, 21899), (4575, 17591), (5385, 14945), (6405, 12565), (7539, 10675), (8967, 8975)]