20440800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:210

約数の個数: 216

約数和(自身を含む): 76776336

約数和(自身を除く): 56335536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 32, 34, 36, 40, 45, 48, 50, 51, 60, 68, 72, 75, 80, 85, 90, 96, 100, 102, 120, 136, 144, 150, 153, 160, 167, 170, 180, 200, 204, 225, 240, 255, 272, 288, 300, 306, 334, 340, 360, 400, 408, 425, 450, 480, 501, 510, 544, 600, 612, 668, 680, 720, 765, 800, 816, 835, 850, 900, 1002, 1020, 1200, 1224, 1275, 1336, 1360, 1440, 1503, 1530, 1632, 1670, 1700, 1800, 2004, 2040, 2400, 2448, 2505, 2550, 2672, 2720, 2839, 3006, 3060, 3340, 3400, 3600, 3825, 4008, 4080, 4175, 4896, 5010, 5100, 5344, 5678, 6012, 6120, 6680, 6800, 7200, 7515, 7650, 8016, 8160, 8350, 8517, 10020, 10200, 11356, 12024, 12240, 12525, 13360, 13600, 14195, 15030, 15300, 16032, 16700, 17034, 20040, 20400, 22712, 24048, 24480, 25050, 25551, 26720, 28390, 30060, 30600, 33400, 34068, 37575, 40080, 40800, 42585, 45424, 48096, 50100, 51102, 56780, 60120, 61200, 66800, 68136, 70975, 75150, 80160, 85170, 90848, 100200, 102204, 113560, 120240, 122400, 127755, 133600, 136272, 141950, 150300, 170340, 200400, 204408, 212925, 227120, 240480, 255510, 272544, 283900, 300600, 340680, 400800, 408816, 425850, 454240, 511020, 567800, 601200, 638775, 681360, 817632, 851700, 1022040, 1135600, 1202400, 1277550, 1362720, 1703400, 2044080, 2271200, 2555100, 3406800, 4088160, 5110200, 6813600, 10220400, 20440800]

約数ペア:

[(1, 20440800), (2, 10220400), (3, 6813600), (4, 5110200), (5, 4088160), (6, 3406800), (8, 2555100), (9, 2271200), (10, 2044080), (12, 1703400), (15, 1362720), (16, 1277550), (17, 1202400), (18, 1135600), (20, 1022040), (24, 851700), (25, 817632), (30, 681360), (32, 638775), (34, 601200), (36, 567800), (40, 511020), (45, 454240), (48, 425850), (50, 408816), (51, 400800), (60, 340680), (68, 300600), (72, 283900), (75, 272544), (80, 255510), (85, 240480), (90, 227120), (96, 212925), (100, 204408), (102, 200400), (120, 170340), (136, 150300), (144, 141950), (150, 136272), (153, 133600), (160, 127755), (167, 122400), (170, 120240), (180, 113560), (200, 102204), (204, 100200), (225, 90848), (240, 85170), (255, 80160), (272, 75150), (288, 70975), (300, 68136), (306, 66800), (334, 61200), (340, 60120), (360, 56780), (400, 51102), (408, 50100), (425, 48096), (450, 45424), (480, 42585), (501, 40800), (510, 40080), (544, 37575), (600, 34068), (612, 33400), (668, 30600), (680, 30060), (720, 28390), (765, 26720), (800, 25551), (816, 25050), (835, 24480), (850, 24048), (900, 22712), (1002, 20400), (1020, 20040), (1200, 17034), (1224, 16700), (1275, 16032), (1336, 15300), (1360, 15030), (1440, 14195), (1503, 13600), (1530, 13360), (1632, 12525), (1670, 12240), (1700, 12024), (1800, 11356), (2004, 10200), (2040, 10020), (2400, 8517), (2448, 8350), (2505, 8160), (2550, 8016), (2672, 7650), (2720, 7515), (2839, 7200), (3006, 6800), (3060, 6680), (3340, 6120), (3400, 6012), (3600, 5678), (3825, 5344), (4008, 5100), (4080, 5010), (4175, 4896)]