31046320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 46091600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 359, 368, 376, 460, 470, 718, 752, 920, 940, 1081, 1436, 1795, 1840, 1880, 2162, 2872, 3590, 3760, 4324, 5405, 5744, 7180, 8257, 8648, 10810, 14360, 16514, 16873, 17296, 21620, 28720, 33028, 33746, 41285, 43240, 66056, 67492, 82570, 84365, 86480, 132112, 134984, 165140, 168730, 269968, 330280, 337460, 388079, 660560, 674920, 776158, 1349840, 1552316, 1940395, 3104632, 3880790, 6209264, 7761580, 15523160, 31046320]

約数ペア:

[(1, 31046320), (2, 15523160), (4, 7761580), (5, 6209264), (8, 3880790), (10, 3104632), (16, 1940395), (20, 1552316), (23, 1349840), (40, 776158), (46, 674920), (47, 660560), (80, 388079), (92, 337460), (94, 330280), (115, 269968), (184, 168730), (188, 165140), (230, 134984), (235, 132112), (359, 86480), (368, 84365), (376, 82570), (460, 67492), (470, 66056), (718, 43240), (752, 41285), (920, 33746), (940, 33028), (1081, 28720), (1436, 21620), (1795, 17296), (1840, 16873), (1880, 16514), (2162, 14360), (2872, 10810), (3590, 8648), (3760, 8257), (4324, 7180), (5405, 5744)]