128643720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 398908800

約数和(自身を除く): 270265080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 113, 120, 159, 179, 212, 226, 265, 318, 339, 358, 424, 452, 530, 537, 565, 636, 678, 716, 795, 895, 904, 1060, 1074, 1130, 1272, 1356, 1432, 1590, 1695, 1790, 2120, 2148, 2260, 2685, 2712, 3180, 3390, 3580, 4296, 4520, 5370, 5989, 6360, 6780, 7160, 9487, 10740, 11978, 13560, 17967, 18974, 20227, 21480, 23956, 28461, 29945, 35934, 37948, 40454, 47435, 47912, 56922, 59890, 60681, 71868, 75896, 80908, 89835, 94870, 101135, 113844, 119780, 121362, 142305, 143736, 161816, 179670, 189740, 202270, 227688, 239560, 242724, 284610, 303405, 359340, 379480, 404540, 485448, 569220, 606810, 718680, 809080, 1072031, 1138440, 1213620, 2144062, 2427240, 3216093, 4288124, 5360155, 6432186, 8576248, 10720310, 12864372, 16080465, 21440620, 25728744, 32160930, 42881240, 64321860, 128643720]

約数ペア:

[(1, 128643720), (2, 64321860), (3, 42881240), (4, 32160930), (5, 25728744), (6, 21440620), (8, 16080465), (10, 12864372), (12, 10720310), (15, 8576248), (20, 6432186), (24, 5360155), (30, 4288124), (40, 3216093), (53, 2427240), (60, 2144062), (106, 1213620), (113, 1138440), (120, 1072031), (159, 809080), (179, 718680), (212, 606810), (226, 569220), (265, 485448), (318, 404540), (339, 379480), (358, 359340), (424, 303405), (452, 284610), (530, 242724), (537, 239560), (565, 227688), (636, 202270), (678, 189740), (716, 179670), (795, 161816), (895, 143736), (904, 142305), (1060, 121362), (1074, 119780), (1130, 113844), (1272, 101135), (1356, 94870), (1432, 89835), (1590, 80908), (1695, 75896), (1790, 71868), (2120, 60681), (2148, 59890), (2260, 56922), (2685, 47912), (2712, 47435), (3180, 40454), (3390, 37948), (3580, 35934), (4296, 29945), (4520, 28461), (5370, 23956), (5989, 21480), (6360, 20227), (6780, 18974), (7160, 17967), (9487, 13560), (10740, 11978)]