278318340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 872726400

約数和(自身を除く): 594408060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 73, 90, 118, 146, 177, 180, 219, 236, 292, 295, 354, 359, 365, 438, 531, 590, 657, 708, 718, 730, 876, 885, 1062, 1077, 1095, 1180, 1314, 1436, 1460, 1770, 1795, 2124, 2154, 2190, 2628, 2655, 3231, 3285, 3540, 3590, 4307, 4308, 4380, 5310, 5385, 6462, 6570, 7180, 8614, 10620, 10770, 12921, 12924, 13140, 16155, 17228, 21181, 21535, 21540, 25842, 26207, 32310, 38763, 42362, 43070, 51684, 52414, 63543, 64605, 64620, 77526, 78621, 84724, 86140, 104828, 105905, 127086, 129210, 131035, 155052, 157242, 190629, 193815, 211810, 235863, 254172, 258420, 262070, 314484, 317715, 381258, 387630, 393105, 423620, 471726, 524140, 635430, 762516, 775260, 786210, 943452, 953145, 1179315, 1270860, 1546213, 1572420, 1906290, 2358630, 3092426, 3812580, 4638639, 4717260, 6184852, 7731065, 9277278, 13915917, 15462130, 18554556, 23193195, 27831834, 30924260, 46386390, 55663668, 69579585, 92772780, 139159170, 278318340]

約数ペア:

[(1, 278318340), (2, 139159170), (3, 92772780), (4, 69579585), (5, 55663668), (6, 46386390), (9, 30924260), (10, 27831834), (12, 23193195), (15, 18554556), (18, 15462130), (20, 13915917), (30, 9277278), (36, 7731065), (45, 6184852), (59, 4717260), (60, 4638639), (73, 3812580), (90, 3092426), (118, 2358630), (146, 1906290), (177, 1572420), (180, 1546213), (219, 1270860), (236, 1179315), (292, 953145), (295, 943452), (354, 786210), (359, 775260), (365, 762516), (438, 635430), (531, 524140), (590, 471726), (657, 423620), (708, 393105), (718, 387630), (730, 381258), (876, 317715), (885, 314484), (1062, 262070), (1077, 258420), (1095, 254172), (1180, 235863), (1314, 211810), (1436, 193815), (1460, 190629), (1770, 157242), (1795, 155052), (2124, 131035), (2154, 129210), (2190, 127086), (2628, 105905), (2655, 104828), (3231, 86140), (3285, 84724), (3540, 78621), (3590, 77526), (4307, 64620), (4308, 64605), (4380, 63543), (5310, 52414), (5385, 51684), (6462, 43070), (6570, 42362), (7180, 38763), (8614, 32310), (10620, 26207), (10770, 25842), (12921, 21540), (12924, 21535), (13140, 21181), (16155, 17228)]