660695940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{661}}^1$

素因数の和:1299

約数の個数: 120

約数和(自身を含む): 2079127512

約数和(自身を除く): 1418431572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 617, 661, 810, 1234, 1322, 1620, 1851, 1983, 2468, 2644, 3085, 3305, 3702, 3966, 5553, 5949, 6170, 6610, 7404, 7932, 9255, 9915, 11106, 11898, 12340, 13220, 16659, 17847, 18510, 19830, 22212, 23796, 27765, 29745, 33318, 35694, 37020, 39660, 49977, 53541, 55530, 59490, 66636, 71388, 83295, 89235, 99954, 107082, 111060, 118980, 166590, 178470, 199908, 214164, 249885, 267705, 333180, 356940, 407837, 499770, 535410, 815674, 999540, 1070820, 1223511, 1631348, 2039185, 2447022, 3670533, 4078370, 4894044, 6117555, 7341066, 8156740, 11011599, 12235110, 14682132, 18352665, 22023198, 24470220, 33034797, 36705330, 44046396, 55057995, 66069594, 73410660, 110115990, 132139188, 165173985, 220231980, 330347970, 660695940]

約数ペア:

[(1, 660695940), (2, 330347970), (3, 220231980), (4, 165173985), (5, 132139188), (6, 110115990), (9, 73410660), (10, 66069594), (12, 55057995), (15, 44046396), (18, 36705330), (20, 33034797), (27, 24470220), (30, 22023198), (36, 18352665), (45, 14682132), (54, 12235110), (60, 11011599), (81, 8156740), (90, 7341066), (108, 6117555), (135, 4894044), (162, 4078370), (180, 3670533), (270, 2447022), (324, 2039185), (405, 1631348), (540, 1223511), (617, 1070820), (661, 999540), (810, 815674), (1234, 535410), (1322, 499770), (1620, 407837), (1851, 356940), (1983, 333180), (2468, 267705), (2644, 249885), (3085, 214164), (3305, 199908), (3702, 178470), (3966, 166590), (5553, 118980), (5949, 111060), (6170, 107082), (6610, 99954), (7404, 89235), (7932, 83295), (9255, 71388), (9915, 66636), (11106, 59490), (11898, 55530), (12340, 53541), (13220, 49977), (16659, 39660), (17847, 37020), (18510, 35694), (19830, 33318), (22212, 29745), (23796, 27765)]