641311632

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 240

約数和(自身を含む): 2049535488

約数和(自身を除く): 1408223856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 43, 48, 52, 62, 72, 78, 86, 93, 104, 117, 124, 129, 144, 156, 172, 186, 208, 234, 248, 257, 258, 279, 312, 344, 372, 387, 403, 468, 496, 514, 516, 558, 559, 624, 688, 744, 771, 774, 806, 936, 1028, 1032, 1116, 1118, 1209, 1333, 1488, 1542, 1548, 1612, 1677, 1872, 2056, 2064, 2232, 2236, 2313, 2418, 2666, 3084, 3096, 3224, 3341, 3354, 3627, 3999, 4112, 4464, 4472, 4626, 4836, 5031, 5332, 6168, 6192, 6448, 6682, 6708, 7254, 7967, 7998, 8944, 9252, 9672, 10023, 10062, 10664, 11051, 11997, 12336, 13364, 13416, 14508, 15934, 15996, 17329, 18504, 19344, 20046, 20124, 21328, 22102, 23901, 23994, 26728, 26832, 29016, 30069, 31868, 31992, 33153, 34658, 37008, 40092, 40248, 44204, 47802, 47988, 51987, 53456, 58032, 60138, 63736, 63984, 66306, 69316, 71703, 80184, 80496, 88408, 95604, 95976, 99459, 103571, 103974, 120276, 127472, 132612, 138632, 143406, 143663, 155961, 160368, 176816, 191208, 191952, 198918, 207142, 207948, 240552, 265224, 277264, 286812, 287326, 310713, 311922, 342581, 382416, 397836, 414284, 415896, 430989, 481104, 530448, 573624, 574652, 621426, 623844, 685162, 795672, 828568, 831792, 861978, 932139, 1027743, 1147248, 1149304, 1242852, 1247688, 1292967, 1370324, 1591344, 1657136, 1723956, 1864278, 2055486, 2298608, 2485704, 2495376, 2585934, 2740648, 3083229, 3447912, 3728556, 4110972, 4453553, 4971408, 5171868, 5481296, 6166458, 6895824, 7457112, 8221944, 8907106, 10343736, 12332916, 13360659, 14914224, 16443888, 17814212, 20687472, 24665832, 26721318, 35628424, 40081977, 49331664, 53442636, 71256848, 80163954, 106885272, 160327908, 213770544, 320655816, 641311632]

約数ペア:

[(1, 641311632), (2, 320655816), (3, 213770544), (4, 160327908), (6, 106885272), (8, 80163954), (9, 71256848), (12, 53442636), (13, 49331664), (16, 40081977), (18, 35628424), (24, 26721318), (26, 24665832), (31, 20687472), (36, 17814212), (39, 16443888), (43, 14914224), (48, 13360659), (52, 12332916), (62, 10343736), (72, 8907106), (78, 8221944), (86, 7457112), (93, 6895824), (104, 6166458), (117, 5481296), (124, 5171868), (129, 4971408), (144, 4453553), (156, 4110972), (172, 3728556), (186, 3447912), (208, 3083229), (234, 2740648), (248, 2585934), (257, 2495376), (258, 2485704), (279, 2298608), (312, 2055486), (344, 1864278), (372, 1723956), (387, 1657136), (403, 1591344), (468, 1370324), (496, 1292967), (514, 1247688), (516, 1242852), (558, 1149304), (559, 1147248), (624, 1027743), (688, 932139), (744, 861978), (771, 831792), (774, 828568), (806, 795672), (936, 685162), (1028, 623844), (1032, 621426), (1116, 574652), (1118, 573624), (1209, 530448), (1333, 481104), (1488, 430989), (1542, 415896), (1548, 414284), (1612, 397836), (1677, 382416), (1872, 342581), (2056, 311922), (2064, 310713), (2232, 287326), (2236, 286812), (2313, 277264), (2418, 265224), (2666, 240552), (3084, 207948), (3096, 207142), (3224, 198918), (3341, 191952), (3354, 191208), (3627, 176816), (3999, 160368), (4112, 155961), (4464, 143663), (4472, 143406), (4626, 138632), (4836, 132612), (5031, 127472), (5332, 120276), (6168, 103974), (6192, 103571), (6448, 99459), (6682, 95976), (6708, 95604), (7254, 88408), (7967, 80496), (7998, 80184), (8944, 71703), (9252, 69316), (9672, 66306), (10023, 63984), (10062, 63736), (10664, 60138), (11051, 58032), (11997, 53456), (12336, 51987), (13364, 47988), (13416, 47802), (14508, 44204), (15934, 40248), (15996, 40092), (17329, 37008), (18504, 34658), (19344, 33153), (20046, 31992), (20124, 31868), (21328, 30069), (22102, 29016), (23901, 26832), (23994, 26728)]