312531760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1619}}^1$

素因数の和:1778

約数の個数: 80

約数和(自身を含む): 771379200

約数和(自身を除く): 458847440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 760, 1016, 1270, 1520, 1619, 2032, 2413, 2540, 3238, 4826, 5080, 6476, 8095, 9652, 10160, 12065, 12952, 16190, 19304, 24130, 25904, 30761, 32380, 38608, 48260, 61522, 64760, 96520, 123044, 129520, 153805, 193040, 205613, 246088, 307610, 411226, 492176, 615220, 822452, 1028065, 1230440, 1644904, 2056130, 2460880, 3289808, 3906647, 4112260, 7813294, 8224520, 15626588, 16449040, 19533235, 31253176, 39066470, 62506352, 78132940, 156265880, 312531760]

約数ペア:

[(1, 312531760), (2, 156265880), (4, 78132940), (5, 62506352), (8, 39066470), (10, 31253176), (16, 19533235), (19, 16449040), (20, 15626588), (38, 8224520), (40, 7813294), (76, 4112260), (80, 3906647), (95, 3289808), (127, 2460880), (152, 2056130), (190, 1644904), (254, 1230440), (304, 1028065), (380, 822452), (508, 615220), (635, 492176), (760, 411226), (1016, 307610), (1270, 246088), (1520, 205613), (1619, 193040), (2032, 153805), (2413, 129520), (2540, 123044), (3238, 96520), (4826, 64760), (5080, 61522), (6476, 48260), (8095, 38608), (9652, 32380), (10160, 30761), (12065, 25904), (12952, 24130), (16190, 19304)]