1920876984

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:663

約数の個数: 192

約数和(自身を含む): 5846191200

約数和(自身を除く): 3925314216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 101, 104, 108, 117, 156, 169, 202, 216, 234, 303, 312, 338, 351, 404, 468, 507, 521, 606, 676, 702, 808, 909, 936, 1014, 1042, 1212, 1313, 1352, 1404, 1521, 1563, 1818, 2028, 2084, 2424, 2626, 2727, 2808, 3042, 3126, 3636, 3939, 4056, 4168, 4563, 4689, 5252, 5454, 6084, 6252, 6773, 7272, 7878, 9126, 9378, 10504, 10908, 11817, 12168, 12504, 13546, 14067, 15756, 17069, 18252, 18756, 20319, 21816, 23634, 27092, 28134, 31512, 34138, 35451, 36504, 37512, 40638, 47268, 51207, 52621, 54184, 56268, 60957, 68276, 70902, 81276, 88049, 94536, 102414, 105242, 112536, 121914, 136552, 141804, 153621, 157863, 162552, 176098, 182871, 204828, 210484, 243828, 264147, 283608, 307242, 315726, 352196, 365742, 409656, 420968, 460863, 473589, 487656, 528294, 614484, 631452, 684073, 704392, 731484, 792441, 921726, 947178, 1056588, 1228968, 1262904, 1368146, 1420767, 1462968, 1584882, 1843452, 1894356, 2052219, 2113176, 2377323, 2736292, 2841534, 3169764, 3686904, 3788712, 4104438, 4754646, 5472584, 5683068, 6156657, 6339528, 8208876, 8892949, 9509292, 11366136, 12313314, 16417752, 17785898, 18469971, 19018584, 24626628, 26678847, 35571796, 36939942, 49253256, 53357694, 71143592, 73879884, 80036541, 106715388, 147759768, 160073082, 213430776, 240109623, 320146164, 480219246, 640292328, 960438492, 1920876984]

約数ペア:

[(1, 1920876984), (2, 960438492), (3, 640292328), (4, 480219246), (6, 320146164), (8, 240109623), (9, 213430776), (12, 160073082), (13, 147759768), (18, 106715388), (24, 80036541), (26, 73879884), (27, 71143592), (36, 53357694), (39, 49253256), (52, 36939942), (54, 35571796), (72, 26678847), (78, 24626628), (101, 19018584), (104, 18469971), (108, 17785898), (117, 16417752), (156, 12313314), (169, 11366136), (202, 9509292), (216, 8892949), (234, 8208876), (303, 6339528), (312, 6156657), (338, 5683068), (351, 5472584), (404, 4754646), (468, 4104438), (507, 3788712), (521, 3686904), (606, 3169764), (676, 2841534), (702, 2736292), (808, 2377323), (909, 2113176), (936, 2052219), (1014, 1894356), (1042, 1843452), (1212, 1584882), (1313, 1462968), (1352, 1420767), (1404, 1368146), (1521, 1262904), (1563, 1228968), (1818, 1056588), (2028, 947178), (2084, 921726), (2424, 792441), (2626, 731484), (2727, 704392), (2808, 684073), (3042, 631452), (3126, 614484), (3636, 528294), (3939, 487656), (4056, 473589), (4168, 460863), (4563, 420968), (4689, 409656), (5252, 365742), (5454, 352196), (6084, 315726), (6252, 307242), (6773, 283608), (7272, 264147), (7878, 243828), (9126, 210484), (9378, 204828), (10504, 182871), (10908, 176098), (11817, 162552), (12168, 157863), (12504, 153621), (13546, 141804), (14067, 136552), (15756, 121914), (17069, 112536), (18252, 105242), (18756, 102414), (20319, 94536), (21816, 88049), (23634, 81276), (27092, 70902), (28134, 68276), (31512, 60957), (34138, 56268), (35451, 54184), (36504, 52621), (37512, 51207), (40638, 47268)]