1231920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 4352400

約数和(自身を除く): 3120480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 59, 60, 72, 80, 87, 90, 116, 118, 120, 144, 145, 174, 177, 180, 232, 236, 240, 261, 290, 295, 348, 354, 360, 435, 464, 472, 522, 531, 580, 590, 696, 708, 720, 870, 885, 944, 1044, 1062, 1160, 1180, 1305, 1392, 1416, 1711, 1740, 1770, 2088, 2124, 2320, 2360, 2610, 2655, 2832, 3422, 3480, 3540, 4176, 4248, 4720, 5133, 5220, 5310, 6844, 6960, 7080, 8496, 8555, 10266, 10440, 10620, 13688, 14160, 15399, 17110, 20532, 20880, 21240, 25665, 27376, 30798, 34220, 41064, 42480, 51330, 61596, 68440, 76995, 82128, 102660, 123192, 136880, 153990, 205320, 246384, 307980, 410640, 615960, 1231920]

約数ペア:

[(1, 1231920), (2, 615960), (3, 410640), (4, 307980), (5, 246384), (6, 205320), (8, 153990), (9, 136880), (10, 123192), (12, 102660), (15, 82128), (16, 76995), (18, 68440), (20, 61596), (24, 51330), (29, 42480), (30, 41064), (36, 34220), (40, 30798), (45, 27376), (48, 25665), (58, 21240), (59, 20880), (60, 20532), (72, 17110), (80, 15399), (87, 14160), (90, 13688), (116, 10620), (118, 10440), (120, 10266), (144, 8555), (145, 8496), (174, 7080), (177, 6960), (180, 6844), (232, 5310), (236, 5220), (240, 5133), (261, 4720), (290, 4248), (295, 4176), (348, 3540), (354, 3480), (360, 3422), (435, 2832), (464, 2655), (472, 2610), (522, 2360), (531, 2320), (580, 2124), (590, 2088), (696, 1770), (708, 1740), (720, 1711), (870, 1416), (885, 1392), (944, 1305), (1044, 1180), (1062, 1160)]