31231840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 78382080

約数和(自身を除く): 47150240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 53, 58, 80, 106, 116, 127, 145, 160, 212, 232, 254, 265, 290, 424, 464, 508, 530, 580, 635, 848, 928, 1016, 1060, 1160, 1270, 1537, 1696, 2032, 2120, 2320, 2540, 3074, 3683, 4064, 4240, 4640, 5080, 6148, 6731, 7366, 7685, 8480, 10160, 12296, 13462, 14732, 15370, 18415, 20320, 24592, 26924, 29464, 30740, 33655, 36830, 49184, 53848, 58928, 61480, 67310, 73660, 107696, 117856, 122960, 134620, 147320, 195199, 215392, 245920, 269240, 294640, 390398, 538480, 589280, 780796, 975995, 1076960, 1561592, 1951990, 3123184, 3903980, 6246368, 7807960, 15615920, 31231840]

約数ペア:

[(1, 31231840), (2, 15615920), (4, 7807960), (5, 6246368), (8, 3903980), (10, 3123184), (16, 1951990), (20, 1561592), (29, 1076960), (32, 975995), (40, 780796), (53, 589280), (58, 538480), (80, 390398), (106, 294640), (116, 269240), (127, 245920), (145, 215392), (160, 195199), (212, 147320), (232, 134620), (254, 122960), (265, 117856), (290, 107696), (424, 73660), (464, 67310), (508, 61480), (530, 58928), (580, 53848), (635, 49184), (848, 36830), (928, 33655), (1016, 30740), (1060, 29464), (1160, 26924), (1270, 24592), (1537, 20320), (1696, 18415), (2032, 15370), (2120, 14732), (2320, 13462), (2540, 12296), (3074, 10160), (3683, 8480), (4064, 7685), (4240, 7366), (4640, 6731), (5080, 6148)]