258965520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:681

約数の個数: 160

約数和(自身を含む): 881622144

約数和(自身を除く): 622656624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 233, 240, 264, 330, 421, 440, 466, 528, 660, 699, 842, 880, 932, 1165, 1263, 1320, 1398, 1684, 1864, 2105, 2330, 2526, 2563, 2640, 2796, 3368, 3495, 3728, 4210, 4631, 4660, 5052, 5126, 5592, 6315, 6736, 6990, 7689, 8420, 9262, 9320, 10104, 10252, 11184, 12630, 12815, 13893, 13980, 15378, 16840, 18524, 18640, 20208, 20504, 23155, 25260, 25630, 27786, 27960, 30756, 33680, 37048, 38445, 41008, 46310, 50520, 51260, 55572, 55920, 61512, 69465, 74096, 76890, 92620, 98093, 101040, 102520, 111144, 123024, 138930, 153780, 185240, 196186, 205040, 222288, 277860, 294279, 307560, 370480, 392372, 490465, 555720, 588558, 615120, 784744, 980930, 1079023, 1111440, 1177116, 1471395, 1569488, 1961860, 2158046, 2354232, 2942790, 3237069, 3923720, 4316092, 4708464, 5395115, 5885580, 6474138, 7847440, 8632184, 10790230, 11771160, 12948276, 16185345, 17264368, 21580460, 23542320, 25896552, 32370690, 43160920, 51793104, 64741380, 86321840, 129482760, 258965520]

約数ペア:

[(1, 258965520), (2, 129482760), (3, 86321840), (4, 64741380), (5, 51793104), (6, 43160920), (8, 32370690), (10, 25896552), (11, 23542320), (12, 21580460), (15, 17264368), (16, 16185345), (20, 12948276), (22, 11771160), (24, 10790230), (30, 8632184), (33, 7847440), (40, 6474138), (44, 5885580), (48, 5395115), (55, 4708464), (60, 4316092), (66, 3923720), (80, 3237069), (88, 2942790), (110, 2354232), (120, 2158046), (132, 1961860), (165, 1569488), (176, 1471395), (220, 1177116), (233, 1111440), (240, 1079023), (264, 980930), (330, 784744), (421, 615120), (440, 588558), (466, 555720), (528, 490465), (660, 392372), (699, 370480), (842, 307560), (880, 294279), (932, 277860), (1165, 222288), (1263, 205040), (1320, 196186), (1398, 185240), (1684, 153780), (1864, 138930), (2105, 123024), (2330, 111144), (2526, 102520), (2563, 101040), (2640, 98093), (2796, 92620), (3368, 76890), (3495, 74096), (3728, 69465), (4210, 61512), (4631, 55920), (4660, 55572), (5052, 51260), (5126, 50520), (5592, 46310), (6315, 41008), (6736, 38445), (6990, 37048), (7689, 33680), (8420, 30756), (9262, 27960), (9320, 27786), (10104, 25630), (10252, 25260), (11184, 23155), (12630, 20504), (12815, 20208), (13893, 18640), (13980, 18524), (15378, 16840)]