620486640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:552

約数の個数: 240

約数和(自身を含む): 2204055360

約数和(自身を除く): 1583568720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 89, 90, 92, 115, 120, 138, 144, 178, 180, 184, 207, 230, 240, 267, 276, 345, 356, 360, 368, 414, 421, 445, 460, 534, 552, 690, 712, 720, 801, 828, 842, 890, 920, 1035, 1068, 1104, 1263, 1335, 1380, 1424, 1602, 1656, 1684, 1780, 1840, 2047, 2070, 2105, 2136, 2526, 2670, 2760, 3204, 3312, 3368, 3560, 3789, 4005, 4094, 4140, 4210, 4272, 5052, 5340, 5520, 6141, 6315, 6408, 6736, 7120, 7578, 8010, 8188, 8280, 8420, 9683, 10104, 10235, 10680, 12282, 12630, 12816, 15156, 16020, 16376, 16560, 16840, 18423, 18945, 19366, 20208, 20470, 21360, 24564, 25260, 29049, 30312, 30705, 32040, 32752, 33680, 36846, 37469, 37890, 38732, 40940, 48415, 49128, 50520, 58098, 60624, 61410, 64080, 73692, 74938, 75780, 77464, 81880, 87147, 92115, 96830, 98256, 101040, 112407, 116196, 122820, 145245, 147384, 149876, 151560, 154928, 163760, 174294, 184230, 187345, 193660, 224814, 232392, 245640, 290490, 294768, 299752, 303120, 337221, 348588, 368460, 374690, 387320, 435735, 449628, 464784, 491280, 562035, 580980, 599504, 674442, 697176, 736920, 749380, 774640, 861787, 871470, 899256, 1124070, 1161960, 1348884, 1394352, 1473840, 1498760, 1686105, 1723574, 1742940, 1798512, 2248140, 2323920, 2585361, 2697768, 2997520, 3372210, 3447148, 3485880, 4308935, 4496280, 5170722, 5395536, 6744420, 6894296, 6971760, 7756083, 8617870, 8992560, 10341444, 12926805, 13488840, 13788592, 15512166, 17235740, 20682888, 25853610, 26977680, 31024332, 34471480, 38780415, 41365776, 51707220, 62048664, 68942960, 77560830, 103414440, 124097328, 155121660, 206828880, 310243320, 620486640]

約数ペア:

[(1, 620486640), (2, 310243320), (3, 206828880), (4, 155121660), (5, 124097328), (6, 103414440), (8, 77560830), (9, 68942960), (10, 62048664), (12, 51707220), (15, 41365776), (16, 38780415), (18, 34471480), (20, 31024332), (23, 26977680), (24, 25853610), (30, 20682888), (36, 17235740), (40, 15512166), (45, 13788592), (46, 13488840), (48, 12926805), (60, 10341444), (69, 8992560), (72, 8617870), (80, 7756083), (89, 6971760), (90, 6894296), (92, 6744420), (115, 5395536), (120, 5170722), (138, 4496280), (144, 4308935), (178, 3485880), (180, 3447148), (184, 3372210), (207, 2997520), (230, 2697768), (240, 2585361), (267, 2323920), (276, 2248140), (345, 1798512), (356, 1742940), (360, 1723574), (368, 1686105), (414, 1498760), (421, 1473840), (445, 1394352), (460, 1348884), (534, 1161960), (552, 1124070), (690, 899256), (712, 871470), (720, 861787), (801, 774640), (828, 749380), (842, 736920), (890, 697176), (920, 674442), (1035, 599504), (1068, 580980), (1104, 562035), (1263, 491280), (1335, 464784), (1380, 449628), (1424, 435735), (1602, 387320), (1656, 374690), (1684, 368460), (1780, 348588), (1840, 337221), (2047, 303120), (2070, 299752), (2105, 294768), (2136, 290490), (2526, 245640), (2670, 232392), (2760, 224814), (3204, 193660), (3312, 187345), (3368, 184230), (3560, 174294), (3789, 163760), (4005, 154928), (4094, 151560), (4140, 149876), (4210, 147384), (4272, 145245), (5052, 122820), (5340, 116196), (5520, 112407), (6141, 101040), (6315, 98256), (6408, 96830), (6736, 92115), (7120, 87147), (7578, 81880), (8010, 77464), (8188, 75780), (8280, 74938), (8420, 73692), (9683, 64080), (10104, 61410), (10235, 60624), (10680, 58098), (12282, 50520), (12630, 49128), (12816, 48415), (15156, 40940), (16020, 38732), (16376, 37890), (16560, 37469), (16840, 36846), (18423, 33680), (18945, 32752), (19366, 32040), (20208, 30705), (20470, 30312), (21360, 29049), (24564, 25260)]