421668520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 1276754400

約数和(自身を除く): 855085880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 67, 70, 76, 91, 95, 98, 104, 130, 133, 134, 140, 152, 169, 182, 190, 196, 245, 247, 260, 266, 268, 280, 335, 338, 364, 380, 392, 455, 469, 490, 494, 520, 532, 536, 637, 665, 670, 676, 728, 760, 845, 871, 910, 931, 938, 980, 988, 1064, 1183, 1235, 1273, 1274, 1330, 1340, 1352, 1690, 1729, 1742, 1820, 1862, 1876, 1960, 1976, 2345, 2366, 2470, 2546, 2548, 2660, 2680, 3185, 3211, 3283, 3380, 3458, 3484, 3640, 3724, 3752, 4355, 4655, 4690, 4732, 4940, 5092, 5096, 5320, 5915, 6097, 6365, 6370, 6422, 6566, 6760, 6916, 6968, 7448, 8281, 8645, 8710, 8911, 9310, 9380, 9464, 9880, 10184, 11323, 11830, 12103, 12194, 12730, 12740, 12844, 13132, 13832, 16055, 16415, 16549, 16562, 17290, 17420, 17822, 18620, 18760, 22477, 22646, 23660, 24206, 24388, 25460, 25480, 25688, 26264, 30485, 32110, 32830, 33098, 33124, 34580, 34840, 35644, 37240, 41405, 42679, 44555, 44954, 45292, 47320, 48412, 48776, 50920, 56615, 60515, 60970, 62377, 64220, 65660, 66196, 66248, 69160, 71288, 79261, 82745, 82810, 85358, 89110, 89908, 90584, 96824, 112385, 113230, 115843, 121030, 121940, 124754, 128440, 131320, 132392, 157339, 158522, 165490, 165620, 170716, 178220, 179816, 213395, 215137, 224770, 226460, 231686, 242060, 243880, 249508, 311885, 314678, 317044, 330980, 331240, 341432, 356440, 396305, 426790, 430274, 449540, 452920, 463372, 484120, 499016, 554827, 579215, 623770, 629356, 634088, 661960, 786695, 792610, 810901, 853580, 860548, 899080, 926744, 1075685, 1109654, 1158430, 1247540, 1258712, 1505959, 1573390, 1585220, 1621802, 1707160, 1721096, 2151370, 2219308, 2316860, 2495080, 2774135, 3011918, 3146780, 3170440, 3243604, 4054505, 4302740, 4438616, 4633720, 5548270, 6023836, 6293560, 6487208, 7529795, 8109010, 8605480, 10541713, 11096540, 12047672, 15059590, 16218020, 21083426, 22193080, 30119180, 32436040, 42166852, 52708565, 60238360, 84333704, 105417130, 210834260, 421668520]

約数ペア:

[(1, 421668520), (2, 210834260), (4, 105417130), (5, 84333704), (7, 60238360), (8, 52708565), (10, 42166852), (13, 32436040), (14, 30119180), (19, 22193080), (20, 21083426), (26, 16218020), (28, 15059590), (35, 12047672), (38, 11096540), (40, 10541713), (49, 8605480), (52, 8109010), (56, 7529795), (65, 6487208), (67, 6293560), (70, 6023836), (76, 5548270), (91, 4633720), (95, 4438616), (98, 4302740), (104, 4054505), (130, 3243604), (133, 3170440), (134, 3146780), (140, 3011918), (152, 2774135), (169, 2495080), (182, 2316860), (190, 2219308), (196, 2151370), (245, 1721096), (247, 1707160), (260, 1621802), (266, 1585220), (268, 1573390), (280, 1505959), (335, 1258712), (338, 1247540), (364, 1158430), (380, 1109654), (392, 1075685), (455, 926744), (469, 899080), (490, 860548), (494, 853580), (520, 810901), (532, 792610), (536, 786695), (637, 661960), (665, 634088), (670, 629356), (676, 623770), (728, 579215), (760, 554827), (845, 499016), (871, 484120), (910, 463372), (931, 452920), (938, 449540), (980, 430274), (988, 426790), (1064, 396305), (1183, 356440), (1235, 341432), (1273, 331240), (1274, 330980), (1330, 317044), (1340, 314678), (1352, 311885), (1690, 249508), (1729, 243880), (1742, 242060), (1820, 231686), (1862, 226460), (1876, 224770), (1960, 215137), (1976, 213395), (2345, 179816), (2366, 178220), (2470, 170716), (2546, 165620), (2548, 165490), (2660, 158522), (2680, 157339), (3185, 132392), (3211, 131320), (3283, 128440), (3380, 124754), (3458, 121940), (3484, 121030), (3640, 115843), (3724, 113230), (3752, 112385), (4355, 96824), (4655, 90584), (4690, 89908), (4732, 89110), (4940, 85358), (5092, 82810), (5096, 82745), (5320, 79261), (5915, 71288), (6097, 69160), (6365, 66248), (6370, 66196), (6422, 65660), (6566, 64220), (6760, 62377), (6916, 60970), (6968, 60515), (7448, 56615), (8281, 50920), (8645, 48776), (8710, 48412), (8911, 47320), (9310, 45292), (9380, 44954), (9464, 44555), (9880, 42679), (10184, 41405), (11323, 37240), (11830, 35644), (12103, 34840), (12194, 34580), (12730, 33124), (12740, 33098), (12844, 32830), (13132, 32110), (13832, 30485), (16055, 26264), (16415, 25688), (16549, 25480), (16562, 25460), (17290, 24388), (17420, 24206), (17822, 23660), (18620, 22646), (18760, 22477)]