77890880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:616

約数の個数: 112

約数和(自身を含む): 204094080

約数和(自身を除く): 126203200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 557, 608, 736, 760, 874, 920, 1114, 1216, 1472, 1520, 1748, 1840, 2185, 2228, 2785, 3040, 3496, 3680, 4370, 4456, 5570, 6080, 6992, 7360, 8740, 8912, 10583, 11140, 12811, 13984, 17480, 17824, 21166, 22280, 25622, 27968, 34960, 35648, 42332, 44560, 51244, 52915, 64055, 69920, 84664, 89120, 102488, 105830, 128110, 139840, 169328, 178240, 204976, 211660, 243409, 256220, 338656, 409952, 423320, 486818, 512440, 677312, 819904, 846640, 973636, 1024880, 1217045, 1693280, 1947272, 2049760, 2434090, 3386560, 3894544, 4099520, 4868180, 7789088, 9736360, 15578176, 19472720, 38945440, 77890880]

約数ペア:

[(1, 77890880), (2, 38945440), (4, 19472720), (5, 15578176), (8, 9736360), (10, 7789088), (16, 4868180), (19, 4099520), (20, 3894544), (23, 3386560), (32, 2434090), (38, 2049760), (40, 1947272), (46, 1693280), (64, 1217045), (76, 1024880), (80, 973636), (92, 846640), (95, 819904), (115, 677312), (152, 512440), (160, 486818), (184, 423320), (190, 409952), (230, 338656), (304, 256220), (320, 243409), (368, 211660), (380, 204976), (437, 178240), (460, 169328), (557, 139840), (608, 128110), (736, 105830), (760, 102488), (874, 89120), (920, 84664), (1114, 69920), (1216, 64055), (1472, 52915), (1520, 51244), (1748, 44560), (1840, 42332), (2185, 35648), (2228, 34960), (2785, 27968), (3040, 25622), (3496, 22280), (3680, 21166), (4370, 17824), (4456, 17480), (5570, 13984), (6080, 12811), (6992, 11140), (7360, 10583), (8740, 8912)]