320549520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:497

約数の個数: 160

約数和(自身を含む): 1031184000

約数和(自身を除く): 710634480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 89, 120, 129, 172, 178, 215, 240, 258, 267, 344, 349, 356, 430, 445, 516, 534, 645, 688, 698, 712, 860, 890, 1032, 1047, 1068, 1290, 1335, 1396, 1424, 1720, 1745, 1780, 2064, 2094, 2136, 2580, 2670, 2792, 3440, 3490, 3560, 3827, 4188, 4272, 5160, 5235, 5340, 5584, 6980, 7120, 7654, 8376, 10320, 10470, 10680, 11481, 13960, 15007, 15308, 16752, 19135, 20940, 21360, 22962, 27920, 30014, 30616, 31061, 38270, 41880, 45021, 45924, 57405, 60028, 61232, 62122, 75035, 76540, 83760, 90042, 91848, 93183, 114810, 120056, 124244, 150070, 153080, 155305, 180084, 183696, 186366, 225105, 229620, 240112, 248488, 300140, 306160, 310610, 360168, 372732, 450210, 459240, 465915, 496976, 600280, 621220, 720336, 745464, 900420, 918480, 931830, 1200560, 1242440, 1335623, 1490928, 1800840, 1863660, 2484880, 2671246, 3601680, 3727320, 4006869, 5342492, 6678115, 7454640, 8013738, 10684984, 13356230, 16027476, 20034345, 21369968, 26712460, 32054952, 40068690, 53424920, 64109904, 80137380, 106849840, 160274760, 320549520]

約数ペア:

[(1, 320549520), (2, 160274760), (3, 106849840), (4, 80137380), (5, 64109904), (6, 53424920), (8, 40068690), (10, 32054952), (12, 26712460), (15, 21369968), (16, 20034345), (20, 16027476), (24, 13356230), (30, 10684984), (40, 8013738), (43, 7454640), (48, 6678115), (60, 5342492), (80, 4006869), (86, 3727320), (89, 3601680), (120, 2671246), (129, 2484880), (172, 1863660), (178, 1800840), (215, 1490928), (240, 1335623), (258, 1242440), (267, 1200560), (344, 931830), (349, 918480), (356, 900420), (430, 745464), (445, 720336), (516, 621220), (534, 600280), (645, 496976), (688, 465915), (698, 459240), (712, 450210), (860, 372732), (890, 360168), (1032, 310610), (1047, 306160), (1068, 300140), (1290, 248488), (1335, 240112), (1396, 229620), (1424, 225105), (1720, 186366), (1745, 183696), (1780, 180084), (2064, 155305), (2094, 153080), (2136, 150070), (2580, 124244), (2670, 120056), (2792, 114810), (3440, 93183), (3490, 91848), (3560, 90042), (3827, 83760), (4188, 76540), (4272, 75035), (5160, 62122), (5235, 61232), (5340, 60028), (5584, 57405), (6980, 45924), (7120, 45021), (7654, 41880), (8376, 38270), (10320, 31061), (10470, 30616), (10680, 30014), (11481, 27920), (13960, 22962), (15007, 21360), (15308, 20940), (16752, 19135)]