251020640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 192

約数和(自身を含む): 701084160

約数和(自身を除く): 450063520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 160, 170, 208, 221, 229, 248, 260, 272, 310, 340, 403, 416, 442, 458, 496, 520, 527, 544, 620, 680, 806, 884, 916, 992, 1040, 1054, 1105, 1145, 1240, 1360, 1612, 1768, 1832, 2015, 2080, 2108, 2210, 2290, 2480, 2635, 2720, 2977, 3224, 3536, 3664, 3893, 4030, 4216, 4420, 4580, 4960, 5270, 5954, 6448, 6851, 7072, 7099, 7328, 7786, 8060, 8432, 8840, 9160, 10540, 11908, 12896, 13702, 14198, 14885, 15572, 16120, 16864, 17680, 18320, 19465, 21080, 23816, 27404, 28396, 29770, 31144, 32240, 34255, 35360, 35495, 36640, 38930, 42160, 47632, 50609, 54808, 56792, 59540, 62288, 64480, 68510, 70990, 77860, 84320, 92287, 95264, 101218, 109616, 113584, 119080, 120683, 124576, 137020, 141980, 155720, 184574, 202436, 219232, 227168, 238160, 241366, 253045, 274040, 283960, 311440, 369148, 404872, 461435, 476320, 482732, 506090, 548080, 567920, 603415, 622880, 738296, 809744, 922870, 965464, 1012180, 1096160, 1135840, 1206830, 1476592, 1568879, 1619488, 1845740, 1930928, 2024360, 2413660, 2953184, 3137758, 3691480, 3861856, 4048720, 4827320, 6275516, 7382960, 7844395, 8097440, 9654640, 12551032, 14765920, 15688790, 19309280, 25102064, 31377580, 50204128, 62755160, 125510320, 251020640]

約数ペア:

[(1, 251020640), (2, 125510320), (4, 62755160), (5, 50204128), (8, 31377580), (10, 25102064), (13, 19309280), (16, 15688790), (17, 14765920), (20, 12551032), (26, 9654640), (31, 8097440), (32, 7844395), (34, 7382960), (40, 6275516), (52, 4827320), (62, 4048720), (65, 3861856), (68, 3691480), (80, 3137758), (85, 2953184), (104, 2413660), (124, 2024360), (130, 1930928), (136, 1845740), (155, 1619488), (160, 1568879), (170, 1476592), (208, 1206830), (221, 1135840), (229, 1096160), (248, 1012180), (260, 965464), (272, 922870), (310, 809744), (340, 738296), (403, 622880), (416, 603415), (442, 567920), (458, 548080), (496, 506090), (520, 482732), (527, 476320), (544, 461435), (620, 404872), (680, 369148), (806, 311440), (884, 283960), (916, 274040), (992, 253045), (1040, 241366), (1054, 238160), (1105, 227168), (1145, 219232), (1240, 202436), (1360, 184574), (1612, 155720), (1768, 141980), (1832, 137020), (2015, 124576), (2080, 120683), (2108, 119080), (2210, 113584), (2290, 109616), (2480, 101218), (2635, 95264), (2720, 92287), (2977, 84320), (3224, 77860), (3536, 70990), (3664, 68510), (3893, 64480), (4030, 62288), (4216, 59540), (4420, 56792), (4580, 54808), (4960, 50609), (5270, 47632), (5954, 42160), (6448, 38930), (6851, 36640), (7072, 35495), (7099, 35360), (7328, 34255), (7786, 32240), (8060, 31144), (8432, 29770), (8840, 28396), (9160, 27404), (10540, 23816), (11908, 21080), (12896, 19465), (13702, 18320), (14198, 17680), (14885, 16864), (15572, 16120)]