1660865640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{6317}}^1$

素因数の和:6651

約数の個数: 128

約数和(自身を含む): 5713493760

約数和(自身を除く): 4052628120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 313, 420, 626, 840, 939, 1252, 1565, 1878, 2191, 2504, 3130, 3756, 4382, 4695, 6260, 6317, 6573, 7512, 8764, 9390, 10955, 12520, 12634, 13146, 17528, 18780, 18951, 21910, 25268, 26292, 31585, 32865, 37560, 37902, 43820, 44219, 50536, 52584, 63170, 65730, 75804, 87640, 88438, 94755, 126340, 131460, 132657, 151608, 176876, 189510, 221095, 252680, 262920, 265314, 353752, 379020, 442190, 530628, 663285, 758040, 884380, 1061256, 1326570, 1768760, 1977221, 2653140, 3954442, 5306280, 5931663, 7908884, 9886105, 11863326, 13840547, 15817768, 19772210, 23726652, 27681094, 29658315, 39544420, 41521641, 47453304, 55362188, 59316630, 69202735, 79088840, 83043282, 110724376, 118633260, 138405470, 166086564, 207608205, 237266520, 276810940, 332173128, 415216410, 553621880, 830432820, 1660865640]

約数ペア:

[(1, 1660865640), (2, 830432820), (3, 553621880), (4, 415216410), (5, 332173128), (6, 276810940), (7, 237266520), (8, 207608205), (10, 166086564), (12, 138405470), (14, 118633260), (15, 110724376), (20, 83043282), (21, 79088840), (24, 69202735), (28, 59316630), (30, 55362188), (35, 47453304), (40, 41521641), (42, 39544420), (56, 29658315), (60, 27681094), (70, 23726652), (84, 19772210), (105, 15817768), (120, 13840547), (140, 11863326), (168, 9886105), (210, 7908884), (280, 5931663), (313, 5306280), (420, 3954442), (626, 2653140), (840, 1977221), (939, 1768760), (1252, 1326570), (1565, 1061256), (1878, 884380), (2191, 758040), (2504, 663285), (3130, 530628), (3756, 442190), (4382, 379020), (4695, 353752), (6260, 265314), (6317, 262920), (6573, 252680), (7512, 221095), (8764, 189510), (9390, 176876), (10955, 151608), (12520, 132657), (12634, 131460), (13146, 126340), (17528, 94755), (18780, 88438), (18951, 87640), (21910, 75804), (25268, 65730), (26292, 63170), (31585, 52584), (32865, 50536), (37560, 44219), (37902, 43820)]