338642720

素因数分解:

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

素因数の和:263

約数の個数: 192

約数和(自身を含む): 933127776

約数和(自身を除く): 594485056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 61, 65, 68, 80, 85, 104, 122, 130, 136, 157, 160, 170, 208, 221, 244, 260, 272, 305, 314, 340, 416, 442, 488, 520, 544, 610, 628, 680, 785, 793, 884, 976, 1037, 1040, 1105, 1220, 1256, 1360, 1570, 1586, 1768, 1952, 2041, 2074, 2080, 2210, 2440, 2512, 2669, 2720, 3140, 3172, 3536, 3965, 4082, 4148, 4420, 4880, 5024, 5185, 5338, 6280, 6344, 7072, 7930, 8164, 8296, 8840, 9577, 9760, 10205, 10370, 10676, 12560, 12688, 13345, 13481, 15860, 16328, 16592, 17680, 19154, 20410, 20740, 21352, 25120, 25376, 26690, 26962, 31720, 32656, 33184, 34697, 35360, 38308, 40820, 41480, 42704, 47885, 53380, 53924, 63440, 65312, 67405, 69394, 76616, 81640, 82960, 85408, 95770, 106760, 107848, 124501, 126880, 134810, 138788, 153232, 162809, 163280, 165920, 173485, 191540, 213520, 215696, 249002, 269620, 277576, 306464, 325618, 326560, 346970, 383080, 427040, 431392, 498004, 539240, 555152, 622505, 651236, 693940, 766160, 814045, 996008, 1078480, 1110304, 1245010, 1302472, 1387880, 1532320, 1628090, 1992016, 2116517, 2156960, 2490020, 2604944, 2775760, 3256180, 3984032, 4233034, 4980040, 5209888, 5551520, 6512360, 8466068, 9960080, 10582585, 13024720, 16932136, 19920160, 21165170, 26049440, 33864272, 42330340, 67728544, 84660680, 169321360, 338642720]

約数ペア:

[(1, 338642720), (2, 169321360), (4, 84660680), (5, 67728544), (8, 42330340), (10, 33864272), (13, 26049440), (16, 21165170), (17, 19920160), (20, 16932136), (26, 13024720), (32, 10582585), (34, 9960080), (40, 8466068), (52, 6512360), (61, 5551520), (65, 5209888), (68, 4980040), (80, 4233034), (85, 3984032), (104, 3256180), (122, 2775760), (130, 2604944), (136, 2490020), (157, 2156960), (160, 2116517), (170, 1992016), (208, 1628090), (221, 1532320), (244, 1387880), (260, 1302472), (272, 1245010), (305, 1110304), (314, 1078480), (340, 996008), (416, 814045), (442, 766160), (488, 693940), (520, 651236), (544, 622505), (610, 555152), (628, 539240), (680, 498004), (785, 431392), (793, 427040), (884, 383080), (976, 346970), (1037, 326560), (1040, 325618), (1105, 306464), (1220, 277576), (1256, 269620), (1360, 249002), (1570, 215696), (1586, 213520), (1768, 191540), (1952, 173485), (2041, 165920), (2074, 163280), (2080, 162809), (2210, 153232), (2440, 138788), (2512, 134810), (2669, 126880), (2720, 124501), (3140, 107848), (3172, 106760), (3536, 95770), (3965, 85408), (4082, 82960), (4148, 81640), (4420, 76616), (4880, 69394), (5024, 67405), (5185, 65312), (5338, 63440), (6280, 53924), (6344, 53380), (7072, 47885), (7930, 42704), (8164, 41480), (8296, 40820), (8840, 38308), (9577, 35360), (9760, 34697), (10205, 33184), (10370, 32656), (10676, 31720), (12560, 26962), (12688, 26690), (13345, 25376), (13481, 25120), (15860, 21352), (16328, 20740), (16592, 20410), (17680, 19154)]