990777960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2243}}^1$

素因数の和:2672

約数の個数: 128

約数和(自身を含む): 3312144000

約数和(自身を除く): 2321366040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 409, 540, 818, 1080, 1227, 1636, 2045, 2243, 2454, 3272, 3681, 4090, 4486, 4908, 6135, 6729, 7362, 8180, 8972, 9816, 11043, 11215, 12270, 13458, 14724, 16360, 17944, 18405, 20187, 22086, 22430, 24540, 26916, 29448, 33645, 36810, 40374, 44172, 44860, 49080, 53832, 55215, 60561, 67290, 73620, 80748, 88344, 89720, 100935, 110430, 121122, 134580, 147240, 161496, 201870, 220860, 242244, 269160, 302805, 403740, 441720, 484488, 605610, 807480, 917387, 1211220, 1834774, 2422440, 2752161, 3669548, 4586935, 5504322, 7339096, 8256483, 9173870, 11008644, 13760805, 16512966, 18347740, 22017288, 24769449, 27521610, 33025932, 36695480, 41282415, 49538898, 55043220, 66051864, 82564830, 99077796, 110086440, 123847245, 165129660, 198155592, 247694490, 330259320, 495388980, 990777960]

約数ペア:

[(1, 990777960), (2, 495388980), (3, 330259320), (4, 247694490), (5, 198155592), (6, 165129660), (8, 123847245), (9, 110086440), (10, 99077796), (12, 82564830), (15, 66051864), (18, 55043220), (20, 49538898), (24, 41282415), (27, 36695480), (30, 33025932), (36, 27521610), (40, 24769449), (45, 22017288), (54, 18347740), (60, 16512966), (72, 13760805), (90, 11008644), (108, 9173870), (120, 8256483), (135, 7339096), (180, 5504322), (216, 4586935), (270, 3669548), (360, 2752161), (409, 2422440), (540, 1834774), (818, 1211220), (1080, 917387), (1227, 807480), (1636, 605610), (2045, 484488), (2243, 441720), (2454, 403740), (3272, 302805), (3681, 269160), (4090, 242244), (4486, 220860), (4908, 201870), (6135, 161496), (6729, 147240), (7362, 134580), (8180, 121122), (8972, 110430), (9816, 100935), (11043, 89720), (11215, 88344), (12270, 80748), (13458, 73620), (14724, 67290), (16360, 60561), (17944, 55215), (18405, 53832), (20187, 49080), (22086, 44860), (22430, 44172), (24540, 40374), (26916, 36810), (29448, 33645)]