31411560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 103680000

約数和(自身を除く): 72268440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 599, 690, 760, 874, 920, 1140, 1198, 1311, 1380, 1748, 1797, 2185, 2280, 2396, 2622, 2760, 2995, 3496, 3594, 4370, 4792, 5244, 5990, 6555, 7188, 8740, 8985, 10488, 11381, 11980, 13110, 13777, 14376, 17480, 17970, 22762, 23960, 26220, 27554, 34143, 35940, 41331, 45524, 52440, 55108, 56905, 68286, 68885, 71880, 82662, 91048, 110216, 113810, 136572, 137770, 165324, 170715, 206655, 227620, 261763, 273144, 275540, 330648, 341430, 413310, 455240, 523526, 551080, 682860, 785289, 826620, 1047052, 1308815, 1365720, 1570578, 1653240, 2094104, 2617630, 3141156, 3926445, 5235260, 6282312, 7852890, 10470520, 15705780, 31411560]

約数ペア:

[(1, 31411560), (2, 15705780), (3, 10470520), (4, 7852890), (5, 6282312), (6, 5235260), (8, 3926445), (10, 3141156), (12, 2617630), (15, 2094104), (19, 1653240), (20, 1570578), (23, 1365720), (24, 1308815), (30, 1047052), (38, 826620), (40, 785289), (46, 682860), (57, 551080), (60, 523526), (69, 455240), (76, 413310), (92, 341430), (95, 330648), (114, 275540), (115, 273144), (120, 261763), (138, 227620), (152, 206655), (184, 170715), (190, 165324), (228, 137770), (230, 136572), (276, 113810), (285, 110216), (345, 91048), (380, 82662), (437, 71880), (456, 68885), (460, 68286), (552, 56905), (570, 55108), (599, 52440), (690, 45524), (760, 41331), (874, 35940), (920, 34143), (1140, 27554), (1198, 26220), (1311, 23960), (1380, 22762), (1748, 17970), (1797, 17480), (2185, 14376), (2280, 13777), (2396, 13110), (2622, 11980), (2760, 11381), (2995, 10488), (3496, 8985), (3594, 8740), (4370, 7188), (4792, 6555), (5244, 5990)]