261166320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11701}}^1$

素因数の和:11751

約数の個数: 120

約数和(自身を含む): 905453952

約数和(自身を除く): 644287632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 11701, 22320, 23402, 35103, 46804, 58505, 70206, 93608, 105309, 117010, 140412, 175515, 187216, 210618, 234020, 280824, 351030, 362731, 421236, 468040, 526545, 561648, 702060, 725462, 842472, 936080, 1053090, 1088193, 1404120, 1450924, 1684944, 1813655, 2106180, 2176386, 2808240, 2901848, 3264579, 3627310, 4212360, 4352772, 5440965, 5803696, 6529158, 7254620, 8424720, 8705544, 10881930, 13058316, 14509240, 16322895, 17411088, 21763860, 26116632, 29018480, 32645790, 43527720, 52233264, 65291580, 87055440, 130583160, 261166320]

約数ペア:

[(1, 261166320), (2, 130583160), (3, 87055440), (4, 65291580), (5, 52233264), (6, 43527720), (8, 32645790), (9, 29018480), (10, 26116632), (12, 21763860), (15, 17411088), (16, 16322895), (18, 14509240), (20, 13058316), (24, 10881930), (30, 8705544), (31, 8424720), (36, 7254620), (40, 6529158), (45, 5803696), (48, 5440965), (60, 4352772), (62, 4212360), (72, 3627310), (80, 3264579), (90, 2901848), (93, 2808240), (120, 2176386), (124, 2106180), (144, 1813655), (155, 1684944), (180, 1450924), (186, 1404120), (240, 1088193), (248, 1053090), (279, 936080), (310, 842472), (360, 725462), (372, 702060), (465, 561648), (496, 526545), (558, 468040), (620, 421236), (720, 362731), (744, 351030), (930, 280824), (1116, 234020), (1240, 210618), (1395, 187216), (1488, 175515), (1860, 140412), (2232, 117010), (2480, 105309), (2790, 93608), (3720, 70206), (4464, 58505), (5580, 46804), (7440, 35103), (11160, 23402), (11701, 22320)]