18028920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 67461120

約数和(自身を除く): 49432200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 127, 130, 140, 156, 168, 169, 182, 195, 210, 254, 260, 273, 280, 312, 338, 364, 381, 390, 420, 455, 507, 508, 520, 546, 635, 676, 728, 762, 780, 840, 845, 889, 910, 1014, 1016, 1092, 1183, 1270, 1352, 1365, 1524, 1560, 1651, 1690, 1778, 1820, 1905, 2028, 2184, 2366, 2535, 2540, 2667, 2730, 3048, 3302, 3380, 3549, 3556, 3640, 3810, 4056, 4445, 4732, 4953, 5070, 5080, 5334, 5460, 5915, 6604, 6760, 7098, 7112, 7620, 8255, 8890, 9464, 9906, 10140, 10668, 10920, 11557, 11830, 13208, 13335, 14196, 15240, 16510, 17745, 17780, 19812, 20280, 21336, 21463, 23114, 23660, 24765, 26670, 28392, 33020, 34671, 35490, 35560, 39624, 42926, 46228, 47320, 49530, 53340, 57785, 64389, 66040, 69342, 70980, 85852, 92456, 99060, 106680, 107315, 115570, 128778, 138684, 141960, 150241, 171704, 173355, 198120, 214630, 231140, 257556, 277368, 300482, 321945, 346710, 429260, 450723, 462280, 515112, 600964, 643890, 693420, 751205, 858520, 901446, 1201928, 1287780, 1386840, 1502410, 1802892, 2253615, 2575560, 3004820, 3605784, 4507230, 6009640, 9014460, 18028920]

約数ペア:

[(1, 18028920), (2, 9014460), (3, 6009640), (4, 4507230), (5, 3605784), (6, 3004820), (7, 2575560), (8, 2253615), (10, 1802892), (12, 1502410), (13, 1386840), (14, 1287780), (15, 1201928), (20, 901446), (21, 858520), (24, 751205), (26, 693420), (28, 643890), (30, 600964), (35, 515112), (39, 462280), (40, 450723), (42, 429260), (52, 346710), (56, 321945), (60, 300482), (65, 277368), (70, 257556), (78, 231140), (84, 214630), (91, 198120), (104, 173355), (105, 171704), (120, 150241), (127, 141960), (130, 138684), (140, 128778), (156, 115570), (168, 107315), (169, 106680), (182, 99060), (195, 92456), (210, 85852), (254, 70980), (260, 69342), (273, 66040), (280, 64389), (312, 57785), (338, 53340), (364, 49530), (381, 47320), (390, 46228), (420, 42926), (455, 39624), (507, 35560), (508, 35490), (520, 34671), (546, 33020), (635, 28392), (676, 26670), (728, 24765), (762, 23660), (780, 23114), (840, 21463), (845, 21336), (889, 20280), (910, 19812), (1014, 17780), (1016, 17745), (1092, 16510), (1183, 15240), (1270, 14196), (1352, 13335), (1365, 13208), (1524, 11830), (1560, 11557), (1651, 10920), (1690, 10668), (1778, 10140), (1820, 9906), (1905, 9464), (2028, 8890), (2184, 8255), (2366, 7620), (2535, 7112), (2540, 7098), (2667, 6760), (2730, 6604), (3048, 5915), (3302, 5460), (3380, 5334), (3549, 5080), (3556, 5070), (3640, 4953), (3810, 4732), (4056, 4445)]