551420730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1481}}^1$

素因数の和:1701

約数の個数: 128

約数和(自身を含む): 1690191360

約数和(自身を除く): 1138770630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 197, 210, 270, 315, 378, 394, 591, 630, 945, 985, 1182, 1379, 1481, 1773, 1890, 1970, 2758, 2955, 2962, 3546, 4137, 4443, 5319, 5910, 6895, 7405, 8274, 8865, 8886, 10367, 10638, 12411, 13329, 13790, 14810, 17730, 20685, 20734, 22215, 24822, 26595, 26658, 31101, 37233, 39987, 41370, 44430, 51835, 53190, 62055, 62202, 66645, 74466, 79974, 93303, 103670, 124110, 133290, 155505, 186165, 186606, 199935, 279909, 291757, 311010, 372330, 399870, 466515, 559818, 583514, 875271, 933030, 1399545, 1458785, 1750542, 2042299, 2625813, 2799090, 2917570, 4084598, 4376355, 5251626, 6126897, 7877439, 8752710, 10211495, 12253794, 13129065, 15754878, 18380691, 20422990, 26258130, 30634485, 36761382, 39387195, 55142073, 61268970, 78774390, 91903455, 110284146, 183806910, 275710365, 551420730]

約数ペア:

[(1, 551420730), (2, 275710365), (3, 183806910), (5, 110284146), (6, 91903455), (7, 78774390), (9, 61268970), (10, 55142073), (14, 39387195), (15, 36761382), (18, 30634485), (21, 26258130), (27, 20422990), (30, 18380691), (35, 15754878), (42, 13129065), (45, 12253794), (54, 10211495), (63, 8752710), (70, 7877439), (90, 6126897), (105, 5251626), (126, 4376355), (135, 4084598), (189, 2917570), (197, 2799090), (210, 2625813), (270, 2042299), (315, 1750542), (378, 1458785), (394, 1399545), (591, 933030), (630, 875271), (945, 583514), (985, 559818), (1182, 466515), (1379, 399870), (1481, 372330), (1773, 311010), (1890, 291757), (1970, 279909), (2758, 199935), (2955, 186606), (2962, 186165), (3546, 155505), (4137, 133290), (4443, 124110), (5319, 103670), (5910, 93303), (6895, 79974), (7405, 74466), (8274, 66645), (8865, 62202), (8886, 62055), (10367, 53190), (10638, 51835), (12411, 44430), (13329, 41370), (13790, 39987), (14810, 37233), (17730, 31101), (20685, 26658), (20734, 26595), (22215, 24822)]