1285453360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{6659}}^1$

素因数の和:6818

約数の個数: 80

約数和(自身を含む): 3171225600

約数和(自身を除く): 1885772240

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, 2032, 2413, 2540, 4826, 5080, 6659, 9652, 10160, 12065, 13318, 19304, 24130, 26636, 33295, 38608, 48260, 53272, 66590, 96520, 106544, 126521, 133180, 193040, 253042, 266360, 506084, 532720, 632605, 845693, 1012168, 1265210, 1691386, 2024336, 2530420, 3382772, 4228465, 5060840, 6765544, 8456930, 10121680, 13531088, 16068167, 16913860, 32136334, 33827720, 64272668, 67655440, 80340835, 128545336, 160681670, 257090672, 321363340, 642726680, 1285453360]

約数ペア:

[(1, 1285453360), (2, 642726680), (4, 321363340), (5, 257090672), (8, 160681670), (10, 128545336), (16, 80340835), (19, 67655440), (20, 64272668), (38, 33827720), (40, 32136334), (76, 16913860), (80, 16068167), (95, 13531088), (127, 10121680), (152, 8456930), (190, 6765544), (254, 5060840), (304, 4228465), (380, 3382772), (508, 2530420), (635, 2024336), (760, 1691386), (1016, 1265210), (1270, 1012168), (1520, 845693), (2032, 632605), (2413, 532720), (2540, 506084), (4826, 266360), (5080, 253042), (6659, 193040), (9652, 133180), (10160, 126521), (12065, 106544), (13318, 96520), (19304, 66590), (24130, 53272), (26636, 48260), (33295, 38608)]