80479360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:618

約数の個数: 128

約数和(自身を含む): 219769200

約数和(自身を除く): 139289840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 569, 640, 680, 832, 884, 1040, 1088, 1105, 1138, 1360, 1664, 1768, 2080, 2176, 2210, 2276, 2720, 2845, 3536, 4160, 4420, 4552, 5440, 5690, 7072, 7397, 8320, 8840, 9104, 9673, 10880, 11380, 14144, 14794, 17680, 18208, 19346, 22760, 28288, 29588, 35360, 36416, 36985, 38692, 45520, 48365, 59176, 70720, 72832, 73970, 77384, 91040, 96730, 118352, 125749, 141440, 147940, 154768, 182080, 193460, 236704, 251498, 295880, 309536, 364160, 386920, 473408, 502996, 591760, 619072, 628745, 773840, 946816, 1005992, 1183520, 1238144, 1257490, 1547680, 2011984, 2367040, 2514980, 3095360, 4023968, 4734080, 5029960, 6190720, 8047936, 10059920, 16095872, 20119840, 40239680, 80479360]

約数ペア:

[(1, 80479360), (2, 40239680), (4, 20119840), (5, 16095872), (8, 10059920), (10, 8047936), (13, 6190720), (16, 5029960), (17, 4734080), (20, 4023968), (26, 3095360), (32, 2514980), (34, 2367040), (40, 2011984), (52, 1547680), (64, 1257490), (65, 1238144), (68, 1183520), (80, 1005992), (85, 946816), (104, 773840), (128, 628745), (130, 619072), (136, 591760), (160, 502996), (170, 473408), (208, 386920), (221, 364160), (260, 309536), (272, 295880), (320, 251498), (340, 236704), (416, 193460), (442, 182080), (520, 154768), (544, 147940), (569, 141440), (640, 125749), (680, 118352), (832, 96730), (884, 91040), (1040, 77384), (1088, 73970), (1105, 72832), (1138, 70720), (1360, 59176), (1664, 48365), (1768, 45520), (2080, 38692), (2176, 36985), (2210, 36416), (2276, 35360), (2720, 29588), (2845, 28288), (3536, 22760), (4160, 19346), (4420, 18208), (4552, 17680), (5440, 14794), (5690, 14144), (7072, 11380), (7397, 10880), (8320, 9673), (8840, 9104)]