121780680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 192

約数和(自身を含む): 430920000

約数和(自身を除く): 309139320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 139, 140, 147, 149, 168, 196, 210, 245, 278, 280, 294, 298, 392, 417, 420, 447, 490, 556, 588, 596, 695, 735, 745, 834, 840, 894, 973, 980, 1043, 1112, 1176, 1192, 1390, 1470, 1490, 1668, 1788, 1946, 1960, 2085, 2086, 2235, 2780, 2919, 2940, 2980, 3129, 3336, 3576, 3892, 4170, 4172, 4470, 4865, 5215, 5560, 5838, 5880, 5960, 6258, 6811, 7301, 7784, 8340, 8344, 8940, 9730, 10430, 11676, 12516, 13622, 14595, 14602, 15645, 16680, 17880, 19460, 20433, 20711, 20860, 21903, 23352, 25032, 27244, 29190, 29204, 31290, 34055, 36505, 38920, 40866, 41422, 41720, 43806, 54488, 58380, 58408, 62133, 62580, 68110, 73010, 81732, 82844, 87612, 102165, 103555, 109515, 116760, 124266, 125160, 136220, 144977, 146020, 163464, 165688, 175224, 204330, 207110, 219030, 248532, 272440, 289954, 292040, 310665, 408660, 414220, 434931, 438060, 497064, 579908, 621330, 724885, 817320, 828440, 869862, 876120, 1014839, 1159816, 1242660, 1449770, 1739724, 2029678, 2174655, 2485320, 2899540, 3044517, 3479448, 4059356, 4349310, 5074195, 5799080, 6089034, 8118712, 8698620, 10148390, 12178068, 15222585, 17397240, 20296780, 24356136, 30445170, 40593560, 60890340, 121780680]

約数ペア:

[(1, 121780680), (2, 60890340), (3, 40593560), (4, 30445170), (5, 24356136), (6, 20296780), (7, 17397240), (8, 15222585), (10, 12178068), (12, 10148390), (14, 8698620), (15, 8118712), (20, 6089034), (21, 5799080), (24, 5074195), (28, 4349310), (30, 4059356), (35, 3479448), (40, 3044517), (42, 2899540), (49, 2485320), (56, 2174655), (60, 2029678), (70, 1739724), (84, 1449770), (98, 1242660), (105, 1159816), (120, 1014839), (139, 876120), (140, 869862), (147, 828440), (149, 817320), (168, 724885), (196, 621330), (210, 579908), (245, 497064), (278, 438060), (280, 434931), (294, 414220), (298, 408660), (392, 310665), (417, 292040), (420, 289954), (447, 272440), (490, 248532), (556, 219030), (588, 207110), (596, 204330), (695, 175224), (735, 165688), (745, 163464), (834, 146020), (840, 144977), (894, 136220), (973, 125160), (980, 124266), (1043, 116760), (1112, 109515), (1176, 103555), (1192, 102165), (1390, 87612), (1470, 82844), (1490, 81732), (1668, 73010), (1788, 68110), (1946, 62580), (1960, 62133), (2085, 58408), (2086, 58380), (2235, 54488), (2780, 43806), (2919, 41720), (2940, 41422), (2980, 40866), (3129, 38920), (3336, 36505), (3576, 34055), (3892, 31290), (4170, 29204), (4172, 29190), (4470, 27244), (4865, 25032), (5215, 23352), (5560, 21903), (5838, 20860), (5880, 20711), (5960, 20433), (6258, 19460), (6811, 17880), (7301, 16680), (7784, 15645), (8340, 14602), (8344, 14595), (8940, 13622), (9730, 12516), (10430, 11676)]