31803480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 108697680

約数和(自身を除く): 76894200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 167, 180, 184, 207, 230, 276, 334, 345, 360, 414, 460, 501, 529, 552, 668, 690, 828, 835, 920, 1002, 1035, 1058, 1336, 1380, 1503, 1587, 1656, 1670, 2004, 2070, 2116, 2505, 2645, 2760, 3006, 3174, 3340, 3841, 4008, 4140, 4232, 4761, 5010, 5290, 6012, 6348, 6680, 7515, 7682, 7935, 8280, 9522, 10020, 10580, 11523, 12024, 12696, 15030, 15364, 15870, 19044, 19205, 20040, 21160, 23046, 23805, 30060, 30728, 31740, 34569, 38088, 38410, 46092, 47610, 57615, 60120, 63480, 69138, 76820, 88343, 92184, 95220, 115230, 138276, 153640, 172845, 176686, 190440, 230460, 265029, 276552, 345690, 353372, 441715, 460920, 530058, 691380, 706744, 795087, 883430, 1060116, 1325145, 1382760, 1590174, 1766860, 2120232, 2650290, 3180348, 3533720, 3975435, 5300580, 6360696, 7950870, 10601160, 15901740, 31803480]

約数ペア:

[(1, 31803480), (2, 15901740), (3, 10601160), (4, 7950870), (5, 6360696), (6, 5300580), (8, 3975435), (9, 3533720), (10, 3180348), (12, 2650290), (15, 2120232), (18, 1766860), (20, 1590174), (23, 1382760), (24, 1325145), (30, 1060116), (36, 883430), (40, 795087), (45, 706744), (46, 691380), (60, 530058), (69, 460920), (72, 441715), (90, 353372), (92, 345690), (115, 276552), (120, 265029), (138, 230460), (167, 190440), (180, 176686), (184, 172845), (207, 153640), (230, 138276), (276, 115230), (334, 95220), (345, 92184), (360, 88343), (414, 76820), (460, 69138), (501, 63480), (529, 60120), (552, 57615), (668, 47610), (690, 46092), (828, 38410), (835, 38088), (920, 34569), (1002, 31740), (1035, 30728), (1058, 30060), (1336, 23805), (1380, 23046), (1503, 21160), (1587, 20040), (1656, 19205), (1670, 19044), (2004, 15870), (2070, 15364), (2116, 15030), (2505, 12696), (2645, 12024), (2760, 11523), (3006, 10580), (3174, 10020), (3340, 9522), (3841, 8280), (4008, 7935), (4140, 7682), (4232, 7515), (4761, 6680), (5010, 6348), (5290, 6012)]