65017680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:278

約数の個数: 240

約数和(自身を含む): 250519680

約数和(自身を除く): 185502000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 169, 182, 195, 208, 210, 229, 240, 260, 273, 280, 312, 336, 338, 364, 390, 420, 455, 458, 507, 520, 546, 560, 624, 676, 687, 728, 780, 840, 845, 910, 916, 1014, 1040, 1092, 1145, 1183, 1352, 1365, 1374, 1456, 1560, 1603, 1680, 1690, 1820, 1832, 2028, 2184, 2290, 2366, 2535, 2704, 2730, 2748, 2977, 3120, 3206, 3380, 3435, 3549, 3640, 3664, 4056, 4368, 4580, 4732, 4809, 5070, 5460, 5496, 5915, 5954, 6412, 6760, 6870, 7098, 7280, 8015, 8112, 8931, 9160, 9464, 9618, 10140, 10920, 10992, 11830, 11908, 12824, 13520, 13740, 14196, 14885, 16030, 17745, 17862, 18320, 18928, 19236, 20280, 20839, 21840, 23660, 23816, 24045, 25648, 27480, 28392, 29770, 32060, 35490, 35724, 38472, 38701, 40560, 41678, 44655, 47320, 47632, 48090, 54960, 56784, 59540, 62517, 64120, 70980, 71448, 76944, 77402, 83356, 89310, 94640, 96180, 104195, 116103, 119080, 125034, 128240, 141960, 142896, 154804, 166712, 178620, 192360, 193505, 208390, 232206, 238160, 250068, 270907, 283920, 309608, 312585, 333424, 357240, 384720, 387010, 416780, 464412, 500136, 541814, 580515, 619216, 625170, 714480, 774020, 812721, 833560, 928824, 1000272, 1083628, 1161030, 1250340, 1354535, 1548040, 1625442, 1667120, 1857648, 2167256, 2322060, 2500680, 2709070, 3096080, 3250884, 4063605, 4334512, 4644120, 5001360, 5418140, 6501768, 8127210, 9288240, 10836280, 13003536, 16254420, 21672560, 32508840, 65017680]

約数ペア:

[(1, 65017680), (2, 32508840), (3, 21672560), (4, 16254420), (5, 13003536), (6, 10836280), (7, 9288240), (8, 8127210), (10, 6501768), (12, 5418140), (13, 5001360), (14, 4644120), (15, 4334512), (16, 4063605), (20, 3250884), (21, 3096080), (24, 2709070), (26, 2500680), (28, 2322060), (30, 2167256), (35, 1857648), (39, 1667120), (40, 1625442), (42, 1548040), (48, 1354535), (52, 1250340), (56, 1161030), (60, 1083628), (65, 1000272), (70, 928824), (78, 833560), (80, 812721), (84, 774020), (91, 714480), (104, 625170), (105, 619216), (112, 580515), (120, 541814), (130, 500136), (140, 464412), (156, 416780), (168, 387010), (169, 384720), (182, 357240), (195, 333424), (208, 312585), (210, 309608), (229, 283920), (240, 270907), (260, 250068), (273, 238160), (280, 232206), (312, 208390), (336, 193505), (338, 192360), (364, 178620), (390, 166712), (420, 154804), (455, 142896), (458, 141960), (507, 128240), (520, 125034), (546, 119080), (560, 116103), (624, 104195), (676, 96180), (687, 94640), (728, 89310), (780, 83356), (840, 77402), (845, 76944), (910, 71448), (916, 70980), (1014, 64120), (1040, 62517), (1092, 59540), (1145, 56784), (1183, 54960), (1352, 48090), (1365, 47632), (1374, 47320), (1456, 44655), (1560, 41678), (1603, 40560), (1680, 38701), (1690, 38472), (1820, 35724), (1832, 35490), (2028, 32060), (2184, 29770), (2290, 28392), (2366, 27480), (2535, 25648), (2704, 24045), (2730, 23816), (2748, 23660), (2977, 21840), (3120, 20839), (3206, 20280), (3380, 19236), (3435, 18928), (3549, 18320), (3640, 17862), (3664, 17745), (4056, 16030), (4368, 14885), (4580, 14196), (4732, 13740), (4809, 13520), (5070, 12824), (5460, 11908), (5496, 11830), (5915, 10992), (5954, 10920), (6412, 10140), (6760, 9618), (6870, 9464), (7098, 9160), (7280, 8931), (8015, 8112)]