256282320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2033

約数の個数: 160

約数和(自身を含む): 919941120

約数和(自身を除く): 663658800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 168, 210, 237, 240, 280, 316, 336, 395, 420, 474, 553, 560, 632, 790, 840, 948, 1106, 1185, 1264, 1580, 1659, 1680, 1896, 1931, 2212, 2370, 2765, 3160, 3318, 3792, 3862, 4424, 4740, 5530, 5793, 6320, 6636, 7724, 8295, 8848, 9480, 9655, 11060, 11586, 13272, 13517, 15448, 16590, 18960, 19310, 22120, 23172, 26544, 27034, 28965, 30896, 33180, 38620, 40551, 44240, 46344, 54068, 57930, 66360, 67585, 77240, 81102, 92688, 108136, 115860, 132720, 135170, 152549, 154480, 162204, 202755, 216272, 231720, 270340, 305098, 324408, 405510, 457647, 463440, 540680, 610196, 648816, 762745, 811020, 915294, 1067843, 1081360, 1220392, 1525490, 1622040, 1830588, 2135686, 2288235, 2440784, 3050980, 3203529, 3244080, 3661176, 4271372, 4576470, 5339215, 6101960, 6407058, 7322352, 8542744, 9152940, 10678430, 12203920, 12814116, 16017645, 17085488, 18305880, 21356860, 25628232, 32035290, 36611760, 42713720, 51256464, 64070580, 85427440, 128141160, 256282320]

約数ペア:

[(1, 256282320), (2, 128141160), (3, 85427440), (4, 64070580), (5, 51256464), (6, 42713720), (7, 36611760), (8, 32035290), (10, 25628232), (12, 21356860), (14, 18305880), (15, 17085488), (16, 16017645), (20, 12814116), (21, 12203920), (24, 10678430), (28, 9152940), (30, 8542744), (35, 7322352), (40, 6407058), (42, 6101960), (48, 5339215), (56, 4576470), (60, 4271372), (70, 3661176), (79, 3244080), (80, 3203529), (84, 3050980), (105, 2440784), (112, 2288235), (120, 2135686), (140, 1830588), (158, 1622040), (168, 1525490), (210, 1220392), (237, 1081360), (240, 1067843), (280, 915294), (316, 811020), (336, 762745), (395, 648816), (420, 610196), (474, 540680), (553, 463440), (560, 457647), (632, 405510), (790, 324408), (840, 305098), (948, 270340), (1106, 231720), (1185, 216272), (1264, 202755), (1580, 162204), (1659, 154480), (1680, 152549), (1896, 135170), (1931, 132720), (2212, 115860), (2370, 108136), (2765, 92688), (3160, 81102), (3318, 77240), (3792, 67585), (3862, 66360), (4424, 57930), (4740, 54068), (5530, 46344), (5793, 44240), (6320, 40551), (6636, 38620), (7724, 33180), (8295, 30896), (8848, 28965), (9480, 27034), (9655, 26544), (11060, 23172), (11586, 22120), (13272, 19310), (13517, 18960), (15448, 16590)]