72523920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{881}}^1$

素因数の和:918

約数の個数: 160

約数和(自身を含む): 262483200

約数和(自身を除く): 189959280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 881, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1762, 1960, 2058, 2352, 2643, 2744, 2940, 3430, 3524, 3920, 4116, 4405, 5145, 5286, 5488, 5880, 6167, 6860, 7048, 8232, 8810, 10290, 10572, 11760, 12334, 13215, 13720, 14096, 16464, 17620, 18501, 20580, 21144, 24668, 26430, 27440, 30835, 35240, 37002, 41160, 42288, 43169, 49336, 52860, 61670, 70480, 74004, 82320, 86338, 92505, 98672, 105720, 123340, 129507, 148008, 172676, 185010, 211440, 215845, 246680, 259014, 296016, 302183, 345352, 370020, 431690, 493360, 518028, 604366, 647535, 690704, 740040, 863380, 906549, 1036056, 1208732, 1295070, 1480080, 1510915, 1726760, 1813098, 2072112, 2417464, 2590140, 3021830, 3453520, 3626196, 4532745, 4834928, 5180280, 6043660, 7252392, 9065490, 10360560, 12087320, 14504784, 18130980, 24174640, 36261960, 72523920]

約数ペア:

[(1, 72523920), (2, 36261960), (3, 24174640), (4, 18130980), (5, 14504784), (6, 12087320), (7, 10360560), (8, 9065490), (10, 7252392), (12, 6043660), (14, 5180280), (15, 4834928), (16, 4532745), (20, 3626196), (21, 3453520), (24, 3021830), (28, 2590140), (30, 2417464), (35, 2072112), (40, 1813098), (42, 1726760), (48, 1510915), (49, 1480080), (56, 1295070), (60, 1208732), (70, 1036056), (80, 906549), (84, 863380), (98, 740040), (105, 690704), (112, 647535), (120, 604366), (140, 518028), (147, 493360), (168, 431690), (196, 370020), (210, 345352), (240, 302183), (245, 296016), (280, 259014), (294, 246680), (336, 215845), (343, 211440), (392, 185010), (420, 172676), (490, 148008), (560, 129507), (588, 123340), (686, 105720), (735, 98672), (784, 92505), (840, 86338), (881, 82320), (980, 74004), (1029, 70480), (1176, 61670), (1372, 52860), (1470, 49336), (1680, 43169), (1715, 42288), (1762, 41160), (1960, 37002), (2058, 35240), (2352, 30835), (2643, 27440), (2744, 26430), (2940, 24668), (3430, 21144), (3524, 20580), (3920, 18501), (4116, 17620), (4405, 16464), (5145, 14096), (5286, 13720), (5488, 13215), (5880, 12334), (6167, 11760), (6860, 10572), (7048, 10290), (8232, 8810)]