280546240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3967}}^1$

素因数の和:4014

約数の個数: 112

約数和(自身を含む): 761951232

約数和(自身を除く): 481404992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1360, 1768, 2080, 2210, 2720, 3536, 3967, 4160, 4420, 5440, 7072, 7934, 8840, 14144, 15868, 17680, 19835, 31736, 35360, 39670, 51571, 63472, 67439, 70720, 79340, 103142, 126944, 134878, 158680, 206284, 253888, 257855, 269756, 317360, 337195, 412568, 515710, 539512, 634720, 674390, 825136, 876707, 1031420, 1079024, 1269440, 1348780, 1650272, 1753414, 2062840, 2158048, 2697560, 3300544, 3506828, 4125680, 4316096, 4383535, 5395120, 7013656, 8251360, 8767070, 10790240, 14027312, 16502720, 17534140, 21580480, 28054624, 35068280, 56109248, 70136560, 140273120, 280546240]

約数ペア:

[(1, 280546240), (2, 140273120), (4, 70136560), (5, 56109248), (8, 35068280), (10, 28054624), (13, 21580480), (16, 17534140), (17, 16502720), (20, 14027312), (26, 10790240), (32, 8767070), (34, 8251360), (40, 7013656), (52, 5395120), (64, 4383535), (65, 4316096), (68, 4125680), (80, 3506828), (85, 3300544), (104, 2697560), (130, 2158048), (136, 2062840), (160, 1753414), (170, 1650272), (208, 1348780), (221, 1269440), (260, 1079024), (272, 1031420), (320, 876707), (340, 825136), (416, 674390), (442, 634720), (520, 539512), (544, 515710), (680, 412568), (832, 337195), (884, 317360), (1040, 269756), (1088, 257855), (1105, 253888), (1360, 206284), (1768, 158680), (2080, 134878), (2210, 126944), (2720, 103142), (3536, 79340), (3967, 70720), (4160, 67439), (4420, 63472), (5440, 51571), (7072, 39670), (7934, 35360), (8840, 31736), (14144, 19835), (15868, 17680)]