84660680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 222173280

約数和(自身を除く): 137512600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 61, 65, 68, 85, 104, 122, 130, 136, 157, 170, 221, 244, 260, 305, 314, 340, 442, 488, 520, 610, 628, 680, 785, 793, 884, 1037, 1105, 1220, 1256, 1570, 1586, 1768, 2041, 2074, 2210, 2440, 2669, 3140, 3172, 3965, 4082, 4148, 4420, 5185, 5338, 6280, 6344, 7930, 8164, 8296, 8840, 9577, 10205, 10370, 10676, 13345, 13481, 15860, 16328, 19154, 20410, 20740, 21352, 26690, 26962, 31720, 34697, 38308, 40820, 41480, 47885, 53380, 53924, 67405, 69394, 76616, 81640, 95770, 106760, 107848, 124501, 134810, 138788, 162809, 173485, 191540, 249002, 269620, 277576, 325618, 346970, 383080, 498004, 539240, 622505, 651236, 693940, 814045, 996008, 1245010, 1302472, 1387880, 1628090, 2116517, 2490020, 3256180, 4233034, 4980040, 6512360, 8466068, 10582585, 16932136, 21165170, 42330340, 84660680]

約数ペア:

[(1, 84660680), (2, 42330340), (4, 21165170), (5, 16932136), (8, 10582585), (10, 8466068), (13, 6512360), (17, 4980040), (20, 4233034), (26, 3256180), (34, 2490020), (40, 2116517), (52, 1628090), (61, 1387880), (65, 1302472), (68, 1245010), (85, 996008), (104, 814045), (122, 693940), (130, 651236), (136, 622505), (157, 539240), (170, 498004), (221, 383080), (244, 346970), (260, 325618), (305, 277576), (314, 269620), (340, 249002), (442, 191540), (488, 173485), (520, 162809), (610, 138788), (628, 134810), (680, 124501), (785, 107848), (793, 106760), (884, 95770), (1037, 81640), (1105, 76616), (1220, 69394), (1256, 67405), (1570, 53924), (1586, 53380), (1768, 47885), (2041, 41480), (2074, 40820), (2210, 38308), (2440, 34697), (2669, 31720), (3140, 26962), (3172, 26690), (3965, 21352), (4082, 20740), (4148, 20410), (4420, 19154), (5185, 16328), (5338, 15860), (6280, 13481), (6344, 13345), (7930, 10676), (8164, 10370), (8296, 10205), (8840, 9577)]