1561415940

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{15299}}^1$

素因数の和:15333

約数の個数: 168

約数和(自身を含む): 5618894400

約数和(自身を除く): 4057478460

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, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1458, 1620, 1701, 1890, 2268, 2430, 2835, 2916, 3402, 3645, 3780, 4860, 5103, 5670, 6804, 7290, 8505, 10206, 11340, 14580, 15299, 17010, 20412, 25515, 30598, 34020, 45897, 51030, 61196, 76495, 91794, 102060, 107093, 137691, 152990, 183588, 214186, 229485, 275382, 305980, 321279, 413073, 428372, 458970, 535465, 550764, 642558, 688455, 826146, 917940, 963837, 1070930, 1239219, 1285116, 1376910, 1606395, 1652292, 1927674, 2065365, 2141860, 2478438, 2753820, 2891511, 3212790, 3717657, 3855348, 4130730, 4819185, 4956876, 5783022, 6196095, 6425580, 7435314, 8261460, 8674533, 9638370, 11152971, 11566044, 12392190, 14457555, 14870628, 17349066, 18588285, 19276740, 22305942, 24784380, 26023599, 28915110, 34698132, 37176570, 43372665, 44611884, 52047198, 55764855, 57830220, 74353140, 78070797, 86745330, 104094396, 111529710, 130117995, 156141594, 173490660, 223059420, 260235990, 312283188, 390353985, 520471980, 780707970, 1561415940]

約数ペア:

[(1, 1561415940), (2, 780707970), (3, 520471980), (4, 390353985), (5, 312283188), (6, 260235990), (7, 223059420), (9, 173490660), (10, 156141594), (12, 130117995), (14, 111529710), (15, 104094396), (18, 86745330), (20, 78070797), (21, 74353140), (27, 57830220), (28, 55764855), (30, 52047198), (35, 44611884), (36, 43372665), (42, 37176570), (45, 34698132), (54, 28915110), (60, 26023599), (63, 24784380), (70, 22305942), (81, 19276740), (84, 18588285), (90, 17349066), (105, 14870628), (108, 14457555), (126, 12392190), (135, 11566044), (140, 11152971), (162, 9638370), (180, 8674533), (189, 8261460), (210, 7435314), (243, 6425580), (252, 6196095), (270, 5783022), (315, 4956876), (324, 4819185), (378, 4130730), (405, 3855348), (420, 3717657), (486, 3212790), (540, 2891511), (567, 2753820), (630, 2478438), (729, 2141860), (756, 2065365), (810, 1927674), (945, 1652292), (972, 1606395), (1134, 1376910), (1215, 1285116), (1260, 1239219), (1458, 1070930), (1620, 963837), (1701, 917940), (1890, 826146), (2268, 688455), (2430, 642558), (2835, 550764), (2916, 535465), (3402, 458970), (3645, 428372), (3780, 413073), (4860, 321279), (5103, 305980), (5670, 275382), (6804, 229485), (7290, 214186), (8505, 183588), (10206, 152990), (11340, 137691), (14580, 107093), (15299, 102060), (17010, 91794), (20412, 76495), (25515, 61196), (30598, 51030), (34020, 45897)]