90912780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{8017}}^1$

素因数の和:8045

約数の個数: 120

約数和(自身を含む): 325979808

約数和(自身を除く): 235067028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 8017, 11340, 16034, 24051, 32068, 40085, 48102, 56119, 72153, 80170, 96204, 112238, 120255, 144306, 160340, 168357, 216459, 224476, 240510, 280595, 288612, 336714, 360765, 432918, 481020, 505071, 561190, 649377, 673428, 721530, 841785, 865836, 1010142, 1082295, 1122380, 1298754, 1443060, 1515213, 1683570, 2020284, 2164590, 2525355, 2597508, 3030426, 3246885, 3367140, 4329180, 4545639, 5050710, 6060852, 6493770, 7576065, 9091278, 10101420, 12987540, 15152130, 18182556, 22728195, 30304260, 45456390, 90912780]

約数ペア:

[(1, 90912780), (2, 45456390), (3, 30304260), (4, 22728195), (5, 18182556), (6, 15152130), (7, 12987540), (9, 10101420), (10, 9091278), (12, 7576065), (14, 6493770), (15, 6060852), (18, 5050710), (20, 4545639), (21, 4329180), (27, 3367140), (28, 3246885), (30, 3030426), (35, 2597508), (36, 2525355), (42, 2164590), (45, 2020284), (54, 1683570), (60, 1515213), (63, 1443060), (70, 1298754), (81, 1122380), (84, 1082295), (90, 1010142), (105, 865836), (108, 841785), (126, 721530), (135, 673428), (140, 649377), (162, 561190), (180, 505071), (189, 481020), (210, 432918), (252, 360765), (270, 336714), (315, 288612), (324, 280595), (378, 240510), (405, 224476), (420, 216459), (540, 168357), (567, 160340), (630, 144306), (756, 120255), (810, 112238), (945, 96204), (1134, 80170), (1260, 72153), (1620, 56119), (1890, 48102), (2268, 40085), (2835, 32068), (3780, 24051), (5670, 16034), (8017, 11340)]