18411120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 76370112

約数和(自身を除く): 57958992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 281, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 562, 585, 624, 630, 720, 728, 780, 819, 840, 843, 910, 936, 1008, 1040, 1092, 1124, 1170, 1260, 1365, 1405, 1456, 1560, 1638, 1680, 1686, 1820, 1872, 1967, 2184, 2248, 2340, 2520, 2529, 2730, 2810, 3120, 3276, 3372, 3640, 3653, 3934, 4095, 4215, 4368, 4496, 4680, 5040, 5058, 5460, 5620, 5901, 6552, 6744, 7280, 7306, 7868, 8190, 8430, 9360, 9835, 10116, 10920, 10959, 11240, 11802, 12645, 13104, 13488, 14612, 15736, 16380, 16860, 17703, 18265, 19670, 20232, 21840, 21918, 22480, 23604, 25290, 25571, 29224, 29505, 31472, 32760, 32877, 33720, 35406, 36530, 39340, 40464, 43836, 47208, 50580, 51142, 54795, 58448, 59010, 65520, 65754, 67440, 70812, 73060, 76713, 78680, 87672, 88515, 94416, 101160, 102284, 109590, 118020, 127855, 131508, 141624, 146120, 153426, 157360, 164385, 175344, 177030, 202320, 204568, 219180, 230139, 236040, 255710, 263016, 283248, 292240, 306852, 328770, 354060, 383565, 409136, 438360, 460278, 472080, 511420, 526032, 613704, 657540, 708120, 767130, 876720, 920556, 1022840, 1150695, 1227408, 1315080, 1416240, 1534260, 1841112, 2045680, 2301390, 2630160, 3068520, 3682224, 4602780, 6137040, 9205560, 18411120]

約数ペア:

[(1, 18411120), (2, 9205560), (3, 6137040), (4, 4602780), (5, 3682224), (6, 3068520), (7, 2630160), (8, 2301390), (9, 2045680), (10, 1841112), (12, 1534260), (13, 1416240), (14, 1315080), (15, 1227408), (16, 1150695), (18, 1022840), (20, 920556), (21, 876720), (24, 767130), (26, 708120), (28, 657540), (30, 613704), (35, 526032), (36, 511420), (39, 472080), (40, 460278), (42, 438360), (45, 409136), (48, 383565), (52, 354060), (56, 328770), (60, 306852), (63, 292240), (65, 283248), (70, 263016), (72, 255710), (78, 236040), (80, 230139), (84, 219180), (90, 204568), (91, 202320), (104, 177030), (105, 175344), (112, 164385), (117, 157360), (120, 153426), (126, 146120), (130, 141624), (140, 131508), (144, 127855), (156, 118020), (168, 109590), (180, 102284), (182, 101160), (195, 94416), (208, 88515), (210, 87672), (234, 78680), (240, 76713), (252, 73060), (260, 70812), (273, 67440), (280, 65754), (281, 65520), (312, 59010), (315, 58448), (336, 54795), (360, 51142), (364, 50580), (390, 47208), (420, 43836), (455, 40464), (468, 39340), (504, 36530), (520, 35406), (546, 33720), (560, 32877), (562, 32760), (585, 31472), (624, 29505), (630, 29224), (720, 25571), (728, 25290), (780, 23604), (819, 22480), (840, 21918), (843, 21840), (910, 20232), (936, 19670), (1008, 18265), (1040, 17703), (1092, 16860), (1124, 16380), (1170, 15736), (1260, 14612), (1365, 13488), (1405, 13104), (1456, 12645), (1560, 11802), (1638, 11240), (1680, 10959), (1686, 10920), (1820, 10116), (1872, 9835), (1967, 9360), (2184, 8430), (2248, 8190), (2340, 7868), (2520, 7306), (2529, 7280), (2730, 6744), (2810, 6552), (3120, 5901), (3276, 5620), (3372, 5460), (3640, 5058), (3653, 5040), (3934, 4680), (4095, 4496), (4215, 4368)]