397395720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{122653}}^1$

素因数の和:122676

約数の個数: 80

約数和(自身を含む): 1335702060

約数和(自身を除く): 938306340

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 122653, 245306, 367959, 490612, 613265, 735918, 981224, 1103877, 1226530, 1471836, 1839795, 2207754, 2453060, 2943672, 3311631, 3679590, 4415508, 4906120, 5519385, 6623262, 7359180, 8831016, 9934893, 11038770, 13246524, 14718360, 16558155, 19869786, 22077540, 26493048, 33116310, 39739572, 44155080, 49674465, 66232620, 79479144, 99348930, 132465240, 198697860, 397395720]

約数ペア:

[(1, 397395720), (2, 198697860), (3, 132465240), (4, 99348930), (5, 79479144), (6, 66232620), (8, 49674465), (9, 44155080), (10, 39739572), (12, 33116310), (15, 26493048), (18, 22077540), (20, 19869786), (24, 16558155), (27, 14718360), (30, 13246524), (36, 11038770), (40, 9934893), (45, 8831016), (54, 7359180), (60, 6623262), (72, 5519385), (81, 4906120), (90, 4415508), (108, 3679590), (120, 3311631), (135, 2943672), (162, 2453060), (180, 2207754), (216, 1839795), (270, 1471836), (324, 1226530), (360, 1103877), (405, 981224), (540, 735918), (648, 613265), (810, 490612), (1080, 367959), (1620, 245306), (3240, 122653)]