42536780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 106686720

約数和(自身を除く): 64149940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 107, 110, 130, 139, 143, 214, 220, 260, 278, 286, 428, 535, 556, 572, 695, 715, 1070, 1177, 1390, 1391, 1430, 1529, 1807, 2140, 2354, 2780, 2782, 2860, 3058, 3614, 4708, 5564, 5885, 6116, 6955, 7228, 7645, 9035, 11770, 13910, 14873, 15290, 15301, 18070, 19877, 23540, 27820, 29746, 30580, 30602, 36140, 39754, 59492, 61204, 74365, 76505, 79508, 99385, 148730, 153010, 163603, 193349, 198770, 297460, 306020, 327206, 386698, 397540, 654412, 773396, 818015, 966745, 1636030, 1933490, 2126839, 3272060, 3866980, 4253678, 8507356, 10634195, 21268390, 42536780]

約数ペア:

[(1, 42536780), (2, 21268390), (4, 10634195), (5, 8507356), (10, 4253678), (11, 3866980), (13, 3272060), (20, 2126839), (22, 1933490), (26, 1636030), (44, 966745), (52, 818015), (55, 773396), (65, 654412), (107, 397540), (110, 386698), (130, 327206), (139, 306020), (143, 297460), (214, 198770), (220, 193349), (260, 163603), (278, 153010), (286, 148730), (428, 99385), (535, 79508), (556, 76505), (572, 74365), (695, 61204), (715, 59492), (1070, 39754), (1177, 36140), (1390, 30602), (1391, 30580), (1430, 29746), (1529, 27820), (1807, 23540), (2140, 19877), (2354, 18070), (2780, 15301), (2782, 15290), (2860, 14873), (3058, 13910), (3614, 11770), (4708, 9035), (5564, 7645), (5885, 7228), (6116, 6955)]