31271940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{8273}}^1$

素因数の和:8298

約数の個数: 96

約数和(自身を含む): 111202560

約数和(自身を除く): 79930620

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 8273, 16546, 24819, 33092, 41365, 49638, 57911, 74457, 82730, 99276, 115822, 124095, 148914, 165460, 173733, 223371, 231644, 248190, 289555, 297828, 347466, 372285, 446742, 496380, 521199, 579110, 694932, 744570, 868665, 893484, 1042398, 1116855, 1158220, 1489140, 1563597, 1737330, 2084796, 2233710, 2605995, 3127194, 3474660, 4467420, 5211990, 6254388, 7817985, 10423980, 15635970, 31271940]

約数ペア:

[(1, 31271940), (2, 15635970), (3, 10423980), (4, 7817985), (5, 6254388), (6, 5211990), (7, 4467420), (9, 3474660), (10, 3127194), (12, 2605995), (14, 2233710), (15, 2084796), (18, 1737330), (20, 1563597), (21, 1489140), (27, 1158220), (28, 1116855), (30, 1042398), (35, 893484), (36, 868665), (42, 744570), (45, 694932), (54, 579110), (60, 521199), (63, 496380), (70, 446742), (84, 372285), (90, 347466), (105, 297828), (108, 289555), (126, 248190), (135, 231644), (140, 223371), (180, 173733), (189, 165460), (210, 148914), (252, 124095), (270, 115822), (315, 99276), (378, 82730), (420, 74457), (540, 57911), (630, 49638), (756, 41365), (945, 33092), (1260, 24819), (1890, 16546), (3780, 8273)]