9918671940

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{680293}}^1$

素因数の和:680320

約数の個数: 84

約数和(自身を含む): 31229576364

約数和(自身を除く): 21310904424

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, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 7290, 14580, 680293, 1360586, 2040879, 2721172, 3401465, 4081758, 6122637, 6802930, 8163516, 10204395, 12245274, 13605860, 18367911, 20408790, 24490548, 30613185, 36735822, 40817580, 55103733, 61226370, 73471644, 91839555, 110207466, 122452740, 165311199, 183679110, 220414932, 275518665, 330622398, 367358220, 495933597, 551037330, 661244796, 826555995, 991867194, 1102074660, 1653111990, 1983734388, 2479667985, 3306223980, 4959335970, 9918671940]

約数ペア:

[(1, 9918671940), (2, 4959335970), (3, 3306223980), (4, 2479667985), (5, 1983734388), (6, 1653111990), (9, 1102074660), (10, 991867194), (12, 826555995), (15, 661244796), (18, 551037330), (20, 495933597), (27, 367358220), (30, 330622398), (36, 275518665), (45, 220414932), (54, 183679110), (60, 165311199), (81, 122452740), (90, 110207466), (108, 91839555), (135, 73471644), (162, 61226370), (180, 55103733), (243, 40817580), (270, 36735822), (324, 30613185), (405, 24490548), (486, 20408790), (540, 18367911), (729, 13605860), (810, 12245274), (972, 10204395), (1215, 8163516), (1458, 6802930), (1620, 6122637), (2430, 4081758), (2916, 3401465), (3645, 2721172), (4860, 2040879), (7290, 1360586), (14580, 680293)]