80380920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 249984000

約数和(自身を除く): 169603080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 79, 120, 122, 139, 158, 183, 237, 244, 278, 305, 316, 366, 395, 417, 474, 488, 556, 610, 632, 695, 732, 790, 834, 915, 948, 1112, 1185, 1220, 1390, 1464, 1580, 1668, 1830, 1896, 2085, 2370, 2440, 2780, 3160, 3336, 3660, 4170, 4740, 4819, 5560, 7320, 8340, 8479, 9480, 9638, 10981, 14457, 16680, 16958, 19276, 21962, 24095, 25437, 28914, 32943, 33916, 38552, 42395, 43924, 48190, 50874, 54905, 57828, 65886, 67832, 72285, 84790, 87848, 96380, 101748, 109810, 115656, 127185, 131772, 144570, 164715, 169580, 192760, 203496, 219620, 254370, 263544, 289140, 329430, 339160, 439240, 508740, 578280, 658860, 669841, 1017480, 1317720, 1339682, 2009523, 2679364, 3349205, 4019046, 5358728, 6698410, 8038092, 10047615, 13396820, 16076184, 20095230, 26793640, 40190460, 80380920]

約数ペア:

[(1, 80380920), (2, 40190460), (3, 26793640), (4, 20095230), (5, 16076184), (6, 13396820), (8, 10047615), (10, 8038092), (12, 6698410), (15, 5358728), (20, 4019046), (24, 3349205), (30, 2679364), (40, 2009523), (60, 1339682), (61, 1317720), (79, 1017480), (120, 669841), (122, 658860), (139, 578280), (158, 508740), (183, 439240), (237, 339160), (244, 329430), (278, 289140), (305, 263544), (316, 254370), (366, 219620), (395, 203496), (417, 192760), (474, 169580), (488, 164715), (556, 144570), (610, 131772), (632, 127185), (695, 115656), (732, 109810), (790, 101748), (834, 96380), (915, 87848), (948, 84790), (1112, 72285), (1185, 67832), (1220, 65886), (1390, 57828), (1464, 54905), (1580, 50874), (1668, 48190), (1830, 43924), (1896, 42395), (2085, 38552), (2370, 33916), (2440, 32943), (2780, 28914), (3160, 25437), (3336, 24095), (3660, 21962), (4170, 19276), (4740, 16958), (4819, 16680), (5560, 14457), (7320, 10981), (8340, 9638), (8479, 9480)]