89715720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 286704000

約数和(自身を除く): 196988280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 109, 114, 120, 152, 190, 218, 228, 285, 327, 361, 380, 436, 456, 545, 570, 654, 722, 760, 872, 1083, 1090, 1140, 1308, 1444, 1635, 1805, 2071, 2166, 2180, 2280, 2616, 2888, 3270, 3610, 4142, 4332, 4360, 5415, 6213, 6540, 6859, 7220, 8284, 8664, 10355, 10830, 12426, 13080, 13718, 14440, 16568, 20577, 20710, 21660, 24852, 27436, 31065, 34295, 39349, 41154, 41420, 43320, 49704, 54872, 62130, 68590, 78698, 82308, 82840, 102885, 118047, 124260, 137180, 157396, 164616, 196745, 205770, 236094, 248520, 274360, 314792, 393490, 411540, 472188, 590235, 747631, 786980, 823080, 944376, 1180470, 1495262, 1573960, 2242893, 2360940, 2990524, 3738155, 4485786, 4721880, 5981048, 7476310, 8971572, 11214465, 14952620, 17943144, 22428930, 29905240, 44857860, 89715720]

約数ペア:

[(1, 89715720), (2, 44857860), (3, 29905240), (4, 22428930), (5, 17943144), (6, 14952620), (8, 11214465), (10, 8971572), (12, 7476310), (15, 5981048), (19, 4721880), (20, 4485786), (24, 3738155), (30, 2990524), (38, 2360940), (40, 2242893), (57, 1573960), (60, 1495262), (76, 1180470), (95, 944376), (109, 823080), (114, 786980), (120, 747631), (152, 590235), (190, 472188), (218, 411540), (228, 393490), (285, 314792), (327, 274360), (361, 248520), (380, 236094), (436, 205770), (456, 196745), (545, 164616), (570, 157396), (654, 137180), (722, 124260), (760, 118047), (872, 102885), (1083, 82840), (1090, 82308), (1140, 78698), (1308, 68590), (1444, 62130), (1635, 54872), (1805, 49704), (2071, 43320), (2166, 41420), (2180, 41154), (2280, 39349), (2616, 34295), (2888, 31065), (3270, 27436), (3610, 24852), (4142, 21660), (4332, 20710), (4360, 20577), (5415, 16568), (6213, 14440), (6540, 13718), (6859, 13080), (7220, 12426), (8284, 10830), (8664, 10355)]