890049720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:918

約数の個数: 192

約数和(自身を含む): 3124375200

約数和(自身を除く): 2234325480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 229, 245, 280, 294, 392, 420, 458, 490, 588, 661, 687, 735, 840, 916, 980, 1145, 1176, 1322, 1374, 1470, 1603, 1832, 1960, 1983, 2290, 2644, 2748, 2940, 3206, 3305, 3435, 3966, 4580, 4627, 4809, 5288, 5496, 5880, 6412, 6610, 6870, 7932, 8015, 9160, 9254, 9618, 9915, 11221, 12824, 13220, 13740, 13881, 15864, 16030, 18508, 19236, 19830, 22442, 23135, 24045, 26440, 27480, 27762, 32060, 32389, 33663, 37016, 38472, 39660, 44884, 46270, 48090, 55524, 56105, 64120, 64778, 67326, 69405, 79320, 89768, 92540, 96180, 97167, 111048, 112210, 129556, 134652, 138810, 151369, 161945, 168315, 185080, 192360, 194334, 224420, 259112, 269304, 277620, 302738, 323890, 336630, 388668, 448840, 454107, 485835, 555240, 605476, 647780, 673260, 756845, 777336, 908214, 971670, 1059583, 1210952, 1295560, 1346520, 1513690, 1816428, 1943340, 2119166, 2270535, 3027380, 3178749, 3632856, 3886680, 4238332, 4541070, 5297915, 6054760, 6357498, 7417081, 8476664, 9082140, 10595830, 12714996, 14834162, 15893745, 18164280, 21191660, 22251243, 25429992, 29668324, 31787490, 37085405, 42383320, 44502486, 59336648, 63574980, 74170810, 89004972, 111256215, 127149960, 148341620, 178009944, 222512430, 296683240, 445024860, 890049720]

約数ペア:

[(1, 890049720), (2, 445024860), (3, 296683240), (4, 222512430), (5, 178009944), (6, 148341620), (7, 127149960), (8, 111256215), (10, 89004972), (12, 74170810), (14, 63574980), (15, 59336648), (20, 44502486), (21, 42383320), (24, 37085405), (28, 31787490), (30, 29668324), (35, 25429992), (40, 22251243), (42, 21191660), (49, 18164280), (56, 15893745), (60, 14834162), (70, 12714996), (84, 10595830), (98, 9082140), (105, 8476664), (120, 7417081), (140, 6357498), (147, 6054760), (168, 5297915), (196, 4541070), (210, 4238332), (229, 3886680), (245, 3632856), (280, 3178749), (294, 3027380), (392, 2270535), (420, 2119166), (458, 1943340), (490, 1816428), (588, 1513690), (661, 1346520), (687, 1295560), (735, 1210952), (840, 1059583), (916, 971670), (980, 908214), (1145, 777336), (1176, 756845), (1322, 673260), (1374, 647780), (1470, 605476), (1603, 555240), (1832, 485835), (1960, 454107), (1983, 448840), (2290, 388668), (2644, 336630), (2748, 323890), (2940, 302738), (3206, 277620), (3305, 269304), (3435, 259112), (3966, 224420), (4580, 194334), (4627, 192360), (4809, 185080), (5288, 168315), (5496, 161945), (5880, 151369), (6412, 138810), (6610, 134652), (6870, 129556), (7932, 112210), (8015, 111048), (9160, 97167), (9254, 96180), (9618, 92540), (9915, 89768), (11221, 79320), (12824, 69405), (13220, 67326), (13740, 64778), (13881, 64120), (15864, 56105), (16030, 55524), (18508, 48090), (19236, 46270), (19830, 44884), (22442, 39660), (23135, 38472), (24045, 37016), (26440, 33663), (27480, 32389), (27762, 32060)]