204821040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:371

約数の個数: 160

約数和(自身を含む): 659957760

約数和(自身を除く): 455136720

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, 223, 240, 258, 267, 344, 356, 430, 445, 446, 516, 534, 645, 669, 688, 712, 860, 890, 892, 1032, 1068, 1115, 1290, 1335, 1338, 1424, 1720, 1780, 1784, 2064, 2136, 2230, 2580, 2670, 2676, 3345, 3440, 3560, 3568, 3827, 4272, 4460, 5160, 5340, 5352, 6690, 7120, 7654, 8920, 9589, 10320, 10680, 10704, 11481, 13380, 15308, 17840, 19135, 19178, 19847, 21360, 22962, 26760, 28767, 30616, 38270, 38356, 39694, 45924, 47945, 53520, 57405, 57534, 59541, 61232, 76540, 76712, 79388, 91848, 95890, 99235, 114810, 115068, 119082, 143835, 153080, 153424, 158776, 183696, 191780, 198470, 229620, 230136, 238164, 287670, 297705, 306160, 317552, 383560, 396940, 459240, 460272, 476328, 575340, 595410, 767120, 793880, 853421, 918480, 952656, 1150680, 1190820, 1587760, 1706842, 2301360, 2381640, 2560263, 3413684, 4267105, 4763280, 5120526, 6827368, 8534210, 10241052, 12801315, 13654736, 17068420, 20482104, 25602630, 34136840, 40964208, 51205260, 68273680, 102410520, 204821040]

約数ペア:

[(1, 204821040), (2, 102410520), (3, 68273680), (4, 51205260), (5, 40964208), (6, 34136840), (8, 25602630), (10, 20482104), (12, 17068420), (15, 13654736), (16, 12801315), (20, 10241052), (24, 8534210), (30, 6827368), (40, 5120526), (43, 4763280), (48, 4267105), (60, 3413684), (80, 2560263), (86, 2381640), (89, 2301360), (120, 1706842), (129, 1587760), (172, 1190820), (178, 1150680), (215, 952656), (223, 918480), (240, 853421), (258, 793880), (267, 767120), (344, 595410), (356, 575340), (430, 476328), (445, 460272), (446, 459240), (516, 396940), (534, 383560), (645, 317552), (669, 306160), (688, 297705), (712, 287670), (860, 238164), (890, 230136), (892, 229620), (1032, 198470), (1068, 191780), (1115, 183696), (1290, 158776), (1335, 153424), (1338, 153080), (1424, 143835), (1720, 119082), (1780, 115068), (1784, 114810), (2064, 99235), (2136, 95890), (2230, 91848), (2580, 79388), (2670, 76712), (2676, 76540), (3345, 61232), (3440, 59541), (3560, 57534), (3568, 57405), (3827, 53520), (4272, 47945), (4460, 45924), (5160, 39694), (5340, 38356), (5352, 38270), (6690, 30616), (7120, 28767), (7654, 26760), (8920, 22962), (9589, 21360), (10320, 19847), (10680, 19178), (10704, 19135), (11481, 17840), (13380, 15308)]