279552780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{619}}^1$

素因数の和:840

約数の個数: 144

約数和(自身を含む): 919420320

約数和(自身を除く): 639867540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 193, 195, 234, 260, 386, 390, 468, 579, 585, 619, 772, 780, 965, 1158, 1170, 1238, 1737, 1857, 1930, 2316, 2340, 2476, 2509, 2895, 3095, 3474, 3714, 3860, 5018, 5571, 5790, 6190, 6948, 7428, 7527, 8047, 8685, 9285, 10036, 11142, 11580, 12380, 12545, 15054, 16094, 17370, 18570, 22284, 22581, 24141, 25090, 27855, 30108, 32188, 34740, 37140, 37635, 40235, 45162, 48282, 50180, 55710, 72423, 75270, 80470, 90324, 96564, 111420, 112905, 119467, 120705, 144846, 150540, 160940, 225810, 238934, 241410, 289692, 358401, 362115, 451620, 477868, 482820, 597335, 716802, 724230, 1075203, 1194670, 1433604, 1448460, 1553071, 1792005, 2150406, 2389340, 3106142, 3584010, 4300812, 4659213, 5376015, 6212284, 7168020, 7765355, 9318426, 10752030, 13977639, 15530710, 18636852, 21504060, 23296065, 27955278, 31061420, 46592130, 55910556, 69888195, 93184260, 139776390, 279552780]

約数ペア:

[(1, 279552780), (2, 139776390), (3, 93184260), (4, 69888195), (5, 55910556), (6, 46592130), (9, 31061420), (10, 27955278), (12, 23296065), (13, 21504060), (15, 18636852), (18, 15530710), (20, 13977639), (26, 10752030), (30, 9318426), (36, 7765355), (39, 7168020), (45, 6212284), (52, 5376015), (60, 4659213), (65, 4300812), (78, 3584010), (90, 3106142), (117, 2389340), (130, 2150406), (156, 1792005), (180, 1553071), (193, 1448460), (195, 1433604), (234, 1194670), (260, 1075203), (386, 724230), (390, 716802), (468, 597335), (579, 482820), (585, 477868), (619, 451620), (772, 362115), (780, 358401), (965, 289692), (1158, 241410), (1170, 238934), (1238, 225810), (1737, 160940), (1857, 150540), (1930, 144846), (2316, 120705), (2340, 119467), (2476, 112905), (2509, 111420), (2895, 96564), (3095, 90324), (3474, 80470), (3714, 75270), (3860, 72423), (5018, 55710), (5571, 50180), (5790, 48282), (6190, 45162), (6948, 40235), (7428, 37635), (7527, 37140), (8047, 34740), (8685, 32188), (9285, 30108), (10036, 27855), (11142, 25090), (11580, 24141), (12380, 22581), (12545, 22284), (15054, 18570), (16094, 17370)]