85456280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1429

約数の個数: 128

約数和(自身を含む): 250750080

約数和(自身を除く): 165293800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1381, 1547, 1768, 1820, 2210, 2380, 2762, 3094, 3640, 4420, 4760, 5524, 6188, 6905, 7735, 8840, 9667, 11048, 12376, 13810, 15470, 17953, 19334, 23477, 27620, 30940, 35906, 38668, 46954, 48335, 55240, 61880, 71812, 77336, 89765, 93908, 96670, 117385, 125671, 143624, 164339, 179530, 187816, 193340, 234770, 251342, 305201, 328678, 359060, 386680, 469540, 502684, 610402, 628355, 657356, 718120, 821695, 939080, 1005368, 1220804, 1256710, 1314712, 1526005, 1643390, 2136407, 2441608, 2513420, 3052010, 3286780, 4272814, 5026840, 6104020, 6573560, 8545628, 10682035, 12208040, 17091256, 21364070, 42728140, 85456280]

約数ペア:

[(1, 85456280), (2, 42728140), (4, 21364070), (5, 17091256), (7, 12208040), (8, 10682035), (10, 8545628), (13, 6573560), (14, 6104020), (17, 5026840), (20, 4272814), (26, 3286780), (28, 3052010), (34, 2513420), (35, 2441608), (40, 2136407), (52, 1643390), (56, 1526005), (65, 1314712), (68, 1256710), (70, 1220804), (85, 1005368), (91, 939080), (104, 821695), (119, 718120), (130, 657356), (136, 628355), (140, 610402), (170, 502684), (182, 469540), (221, 386680), (238, 359060), (260, 328678), (280, 305201), (340, 251342), (364, 234770), (442, 193340), (455, 187816), (476, 179530), (520, 164339), (595, 143624), (680, 125671), (728, 117385), (884, 96670), (910, 93908), (952, 89765), (1105, 77336), (1190, 71812), (1381, 61880), (1547, 55240), (1768, 48335), (1820, 46954), (2210, 38668), (2380, 35906), (2762, 30940), (3094, 27620), (3640, 23477), (4420, 19334), (4760, 17953), (5524, 15470), (6188, 13810), (6905, 12376), (7735, 11048), (8840, 9667)]