212551920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:440

約数の個数: 240

約数和(自身を含む): 823822272

約数和(自身を除く): 611270352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 181, 210, 233, 240, 252, 280, 315, 336, 360, 362, 420, 466, 504, 543, 560, 630, 699, 720, 724, 840, 905, 932, 1008, 1086, 1165, 1260, 1267, 1398, 1448, 1629, 1631, 1680, 1810, 1864, 2097, 2172, 2330, 2520, 2534, 2715, 2796, 2896, 3258, 3262, 3495, 3620, 3728, 3801, 4194, 4344, 4660, 4893, 5040, 5068, 5430, 5592, 6335, 6516, 6524, 6990, 7240, 7602, 8145, 8155, 8388, 8688, 9320, 9786, 10136, 10485, 10860, 11184, 11403, 12670, 13032, 13048, 13980, 14480, 14679, 15204, 16290, 16310, 16776, 18640, 19005, 19572, 20272, 20970, 21720, 22806, 24465, 25340, 26064, 26096, 27960, 29358, 30408, 32580, 32620, 33552, 38010, 39144, 41940, 42173, 43440, 45612, 48930, 50680, 55920, 57015, 58716, 60816, 65160, 65240, 73395, 76020, 78288, 83880, 84346, 91224, 97860, 101360, 114030, 117432, 126519, 130320, 130480, 146790, 152040, 167760, 168692, 182448, 195720, 210865, 228060, 234864, 253038, 293580, 295211, 304080, 337384, 379557, 391440, 421730, 456120, 506076, 587160, 590422, 632595, 674768, 759114, 843460, 885633, 912240, 1012152, 1174320, 1180844, 1265190, 1476055, 1518228, 1686920, 1771266, 1897785, 2024304, 2361688, 2530380, 2656899, 2952110, 3036456, 3373840, 3542532, 3795570, 4428165, 4723376, 5060760, 5313798, 5904220, 6072912, 7085064, 7591140, 8856330, 10121520, 10627596, 11808440, 13284495, 14170128, 15182280, 17712660, 21255192, 23616880, 26568990, 30364560, 35425320, 42510384, 53137980, 70850640, 106275960, 212551920]

約数ペア:

[(1, 212551920), (2, 106275960), (3, 70850640), (4, 53137980), (5, 42510384), (6, 35425320), (7, 30364560), (8, 26568990), (9, 23616880), (10, 21255192), (12, 17712660), (14, 15182280), (15, 14170128), (16, 13284495), (18, 11808440), (20, 10627596), (21, 10121520), (24, 8856330), (28, 7591140), (30, 7085064), (35, 6072912), (36, 5904220), (40, 5313798), (42, 5060760), (45, 4723376), (48, 4428165), (56, 3795570), (60, 3542532), (63, 3373840), (70, 3036456), (72, 2952110), (80, 2656899), (84, 2530380), (90, 2361688), (105, 2024304), (112, 1897785), (120, 1771266), (126, 1686920), (140, 1518228), (144, 1476055), (168, 1265190), (180, 1180844), (181, 1174320), (210, 1012152), (233, 912240), (240, 885633), (252, 843460), (280, 759114), (315, 674768), (336, 632595), (360, 590422), (362, 587160), (420, 506076), (466, 456120), (504, 421730), (543, 391440), (560, 379557), (630, 337384), (699, 304080), (720, 295211), (724, 293580), (840, 253038), (905, 234864), (932, 228060), (1008, 210865), (1086, 195720), (1165, 182448), (1260, 168692), (1267, 167760), (1398, 152040), (1448, 146790), (1629, 130480), (1631, 130320), (1680, 126519), (1810, 117432), (1864, 114030), (2097, 101360), (2172, 97860), (2330, 91224), (2520, 84346), (2534, 83880), (2715, 78288), (2796, 76020), (2896, 73395), (3258, 65240), (3262, 65160), (3495, 60816), (3620, 58716), (3728, 57015), (3801, 55920), (4194, 50680), (4344, 48930), (4660, 45612), (4893, 43440), (5040, 42173), (5068, 41940), (5430, 39144), (5592, 38010), (6335, 33552), (6516, 32620), (6524, 32580), (6990, 30408), (7240, 29358), (7602, 27960), (8145, 26096), (8155, 26064), (8388, 25340), (8688, 24465), (9320, 22806), (9786, 21720), (10136, 20970), (10485, 20272), (10860, 19572), (11184, 19005), (11403, 18640), (12670, 16776), (13032, 16310), (13048, 16290), (13980, 15204), (14480, 14679)]