18647160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 64972800

約数和(自身を除く): 46325640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 281, 316, 395, 420, 474, 553, 562, 632, 790, 840, 843, 948, 1106, 1124, 1185, 1405, 1580, 1659, 1686, 1896, 1967, 2212, 2248, 2370, 2765, 2810, 3160, 3318, 3372, 3934, 4215, 4424, 4740, 5530, 5620, 5901, 6636, 6744, 7868, 8295, 8430, 9480, 9835, 11060, 11240, 11802, 13272, 15736, 16590, 16860, 19670, 22120, 22199, 23604, 29505, 33180, 33720, 39340, 44398, 47208, 59010, 66360, 66597, 78680, 88796, 110995, 118020, 133194, 155393, 177592, 221990, 236040, 266388, 310786, 332985, 443980, 466179, 532776, 621572, 665970, 776965, 887960, 932358, 1243144, 1331940, 1553930, 1864716, 2330895, 2663880, 3107860, 3729432, 4661790, 6215720, 9323580, 18647160]

約数ペア:

[(1, 18647160), (2, 9323580), (3, 6215720), (4, 4661790), (5, 3729432), (6, 3107860), (7, 2663880), (8, 2330895), (10, 1864716), (12, 1553930), (14, 1331940), (15, 1243144), (20, 932358), (21, 887960), (24, 776965), (28, 665970), (30, 621572), (35, 532776), (40, 466179), (42, 443980), (56, 332985), (60, 310786), (70, 266388), (79, 236040), (84, 221990), (105, 177592), (120, 155393), (140, 133194), (158, 118020), (168, 110995), (210, 88796), (237, 78680), (280, 66597), (281, 66360), (316, 59010), (395, 47208), (420, 44398), (474, 39340), (553, 33720), (562, 33180), (632, 29505), (790, 23604), (840, 22199), (843, 22120), (948, 19670), (1106, 16860), (1124, 16590), (1185, 15736), (1405, 13272), (1580, 11802), (1659, 11240), (1686, 11060), (1896, 9835), (1967, 9480), (2212, 8430), (2248, 8295), (2370, 7868), (2765, 6744), (2810, 6636), (3160, 5901), (3318, 5620), (3372, 5530), (3934, 4740), (4215, 4424)]