2013151520

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1510

約数の個数: 96

約数和(自身を含む): 4857375600

約数和(自身を除く): 2844224080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 109, 160, 178, 218, 356, 436, 445, 545, 712, 872, 890, 1090, 1297, 1424, 1744, 1780, 2180, 2594, 2848, 3488, 3560, 4360, 5188, 6485, 7120, 8720, 9701, 10376, 12970, 14240, 17440, 19402, 20752, 25940, 38804, 41504, 48505, 51880, 77608, 97010, 103760, 115433, 141373, 155216, 194020, 207520, 230866, 282746, 310432, 388040, 461732, 565492, 577165, 706865, 776080, 923464, 1130984, 1154330, 1413730, 1552160, 1846928, 2261968, 2308660, 2827460, 3693856, 4523936, 4617320, 5654920, 9234640, 11309840, 12582197, 18469280, 22619680, 25164394, 50328788, 62910985, 100657576, 125821970, 201315152, 251643940, 402630304, 503287880, 1006575760, 2013151520]

約数ペア:

[(1, 2013151520), (2, 1006575760), (4, 503287880), (5, 402630304), (8, 251643940), (10, 201315152), (16, 125821970), (20, 100657576), (32, 62910985), (40, 50328788), (80, 25164394), (89, 22619680), (109, 18469280), (160, 12582197), (178, 11309840), (218, 9234640), (356, 5654920), (436, 4617320), (445, 4523936), (545, 3693856), (712, 2827460), (872, 2308660), (890, 2261968), (1090, 1846928), (1297, 1552160), (1424, 1413730), (1744, 1154330), (1780, 1130984), (2180, 923464), (2594, 776080), (2848, 706865), (3488, 577165), (3560, 565492), (4360, 461732), (5188, 388040), (6485, 310432), (7120, 282746), (8720, 230866), (9701, 207520), (10376, 194020), (12970, 155216), (14240, 141373), (17440, 115433), (19402, 103760), (20752, 97010), (25940, 77608), (38804, 51880), (41504, 48505)]