15441720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 39301320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 593, 620, 651, 744, 840, 868, 930, 1085, 1186, 1240, 1302, 1736, 1779, 1860, 2170, 2372, 2604, 2965, 3255, 3558, 3720, 4151, 4340, 4744, 5208, 5930, 6510, 7116, 8302, 8680, 8895, 11860, 12453, 13020, 14232, 16604, 17790, 18383, 20755, 23720, 24906, 26040, 33208, 35580, 36766, 41510, 49812, 55149, 62265, 71160, 73532, 83020, 91915, 99624, 110298, 124530, 128681, 147064, 166040, 183830, 220596, 249060, 257362, 275745, 367660, 386043, 441192, 498120, 514724, 551490, 643405, 735320, 772086, 1029448, 1102980, 1286810, 1544172, 1930215, 2205960, 2573620, 3088344, 3860430, 5147240, 7720860, 15441720]

約数ペア:

[(1, 15441720), (2, 7720860), (3, 5147240), (4, 3860430), (5, 3088344), (6, 2573620), (7, 2205960), (8, 1930215), (10, 1544172), (12, 1286810), (14, 1102980), (15, 1029448), (20, 772086), (21, 735320), (24, 643405), (28, 551490), (30, 514724), (31, 498120), (35, 441192), (40, 386043), (42, 367660), (56, 275745), (60, 257362), (62, 249060), (70, 220596), (84, 183830), (93, 166040), (105, 147064), (120, 128681), (124, 124530), (140, 110298), (155, 99624), (168, 91915), (186, 83020), (210, 73532), (217, 71160), (248, 62265), (280, 55149), (310, 49812), (372, 41510), (420, 36766), (434, 35580), (465, 33208), (593, 26040), (620, 24906), (651, 23720), (744, 20755), (840, 18383), (868, 17790), (930, 16604), (1085, 14232), (1186, 13020), (1240, 12453), (1302, 11860), (1736, 8895), (1779, 8680), (1860, 8302), (2170, 7116), (2372, 6510), (2604, 5930), (2965, 5208), (3255, 4744), (3558, 4340), (3720, 4151)]