18576480

素因数分解:

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

素因数の和:273

約数の個数: 144

約数和(自身を含む): 63640080

約数和(自身を除く): 45063600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 229, 240, 260, 312, 338, 390, 416, 458, 480, 507, 520, 624, 676, 687, 780, 845, 916, 1014, 1040, 1145, 1248, 1352, 1374, 1560, 1690, 1832, 2028, 2080, 2290, 2535, 2704, 2748, 2977, 3120, 3380, 3435, 3664, 4056, 4580, 5070, 5408, 5496, 5954, 6240, 6760, 6870, 7328, 8112, 8931, 9160, 10140, 10992, 11908, 13520, 13740, 14885, 16224, 17862, 18320, 20280, 21984, 23816, 27040, 27480, 29770, 35724, 36640, 38701, 40560, 44655, 47632, 54960, 59540, 71448, 77402, 81120, 89310, 95264, 109920, 116103, 119080, 142896, 154804, 178620, 193505, 232206, 238160, 285792, 309608, 357240, 387010, 464412, 476320, 580515, 619216, 714480, 774020, 928824, 1161030, 1238432, 1428960, 1548040, 1857648, 2322060, 3096080, 3715296, 4644120, 6192160, 9288240, 18576480]

約数ペア:

[(1, 18576480), (2, 9288240), (3, 6192160), (4, 4644120), (5, 3715296), (6, 3096080), (8, 2322060), (10, 1857648), (12, 1548040), (13, 1428960), (15, 1238432), (16, 1161030), (20, 928824), (24, 774020), (26, 714480), (30, 619216), (32, 580515), (39, 476320), (40, 464412), (48, 387010), (52, 357240), (60, 309608), (65, 285792), (78, 238160), (80, 232206), (96, 193505), (104, 178620), (120, 154804), (130, 142896), (156, 119080), (160, 116103), (169, 109920), (195, 95264), (208, 89310), (229, 81120), (240, 77402), (260, 71448), (312, 59540), (338, 54960), (390, 47632), (416, 44655), (458, 40560), (480, 38701), (507, 36640), (520, 35724), (624, 29770), (676, 27480), (687, 27040), (780, 23816), (845, 21984), (916, 20280), (1014, 18320), (1040, 17862), (1145, 16224), (1248, 14885), (1352, 13740), (1374, 13520), (1560, 11908), (1690, 10992), (1832, 10140), (2028, 9160), (2080, 8931), (2290, 8112), (2535, 7328), (2704, 6870), (2748, 6760), (2977, 6240), (3120, 5954), (3380, 5496), (3435, 5408), (3664, 5070), (4056, 4580)]