278061420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:560

約数の個数: 192

約数和(自身を含む): 968196096

約数和(自身を除く): 690134676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 127, 130, 140, 156, 182, 195, 210, 254, 260, 273, 364, 381, 390, 401, 420, 455, 508, 546, 635, 762, 780, 802, 889, 910, 1092, 1203, 1270, 1365, 1524, 1604, 1651, 1778, 1820, 1905, 2005, 2406, 2540, 2667, 2730, 2807, 3302, 3556, 3810, 4010, 4445, 4812, 4953, 5213, 5334, 5460, 5614, 6015, 6604, 7620, 8020, 8255, 8421, 8890, 9906, 10426, 10668, 11228, 11557, 12030, 13335, 14035, 15639, 16510, 16842, 17780, 19812, 20852, 23114, 24060, 24765, 26065, 26670, 28070, 31278, 33020, 33684, 34671, 36491, 42105, 46228, 49530, 50927, 52130, 53340, 56140, 57785, 62556, 69342, 72982, 78195, 84210, 99060, 101854, 104260, 109473, 115570, 138684, 145964, 152781, 156390, 168420, 173355, 182455, 203708, 218946, 231140, 254635, 305562, 312780, 346710, 356489, 364910, 437892, 509270, 547365, 611124, 662051, 693420, 712978, 729820, 763905, 1018540, 1069467, 1094730, 1324102, 1425956, 1527810, 1782445, 1986153, 2138934, 2189460, 2648204, 3055620, 3310255, 3564890, 3972306, 4277868, 4634357, 5347335, 6620510, 7129780, 7944612, 9268714, 9930765, 10694670, 13241020, 13903071, 18537428, 19861530, 21389340, 23171785, 27806142, 39723060, 46343570, 55612284, 69515355, 92687140, 139030710, 278061420]

約数ペア:

[(1, 278061420), (2, 139030710), (3, 92687140), (4, 69515355), (5, 55612284), (6, 46343570), (7, 39723060), (10, 27806142), (12, 23171785), (13, 21389340), (14, 19861530), (15, 18537428), (20, 13903071), (21, 13241020), (26, 10694670), (28, 9930765), (30, 9268714), (35, 7944612), (39, 7129780), (42, 6620510), (52, 5347335), (60, 4634357), (65, 4277868), (70, 3972306), (78, 3564890), (84, 3310255), (91, 3055620), (105, 2648204), (127, 2189460), (130, 2138934), (140, 1986153), (156, 1782445), (182, 1527810), (195, 1425956), (210, 1324102), (254, 1094730), (260, 1069467), (273, 1018540), (364, 763905), (381, 729820), (390, 712978), (401, 693420), (420, 662051), (455, 611124), (508, 547365), (546, 509270), (635, 437892), (762, 364910), (780, 356489), (802, 346710), (889, 312780), (910, 305562), (1092, 254635), (1203, 231140), (1270, 218946), (1365, 203708), (1524, 182455), (1604, 173355), (1651, 168420), (1778, 156390), (1820, 152781), (1905, 145964), (2005, 138684), (2406, 115570), (2540, 109473), (2667, 104260), (2730, 101854), (2807, 99060), (3302, 84210), (3556, 78195), (3810, 72982), (4010, 69342), (4445, 62556), (4812, 57785), (4953, 56140), (5213, 53340), (5334, 52130), (5460, 50927), (5614, 49530), (6015, 46228), (6604, 42105), (7620, 36491), (8020, 34671), (8255, 33684), (8421, 33020), (8890, 31278), (9906, 28070), (10426, 26670), (10668, 26065), (11228, 24765), (11557, 24060), (12030, 23114), (13335, 20852), (14035, 19812), (15639, 17780), (16510, 16842)]