261003680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{587}}^1$

素因数の和:1006

約数の個数: 96

約数和(自身を含む): 707688576

約数和(自身を除く): 446684896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 397, 560, 587, 794, 1120, 1174, 1588, 1985, 2348, 2779, 2935, 3176, 3970, 4109, 4696, 5558, 5870, 6352, 7940, 8218, 9392, 11116, 11740, 12704, 13895, 15880, 16436, 18784, 20545, 22232, 23480, 27790, 31760, 32872, 41090, 44464, 46960, 55580, 63520, 65744, 82180, 88928, 93920, 111160, 131488, 164360, 222320, 233039, 328720, 444640, 466078, 657440, 932156, 1165195, 1631273, 1864312, 2330390, 3262546, 3728624, 4660780, 6525092, 7457248, 8156365, 9321560, 13050184, 16312730, 18643120, 26100368, 32625460, 37286240, 52200736, 65250920, 130501840, 261003680]

約数ペア:

[(1, 261003680), (2, 130501840), (4, 65250920), (5, 52200736), (7, 37286240), (8, 32625460), (10, 26100368), (14, 18643120), (16, 16312730), (20, 13050184), (28, 9321560), (32, 8156365), (35, 7457248), (40, 6525092), (56, 4660780), (70, 3728624), (80, 3262546), (112, 2330390), (140, 1864312), (160, 1631273), (224, 1165195), (280, 932156), (397, 657440), (560, 466078), (587, 444640), (794, 328720), (1120, 233039), (1174, 222320), (1588, 164360), (1985, 131488), (2348, 111160), (2779, 93920), (2935, 88928), (3176, 82180), (3970, 65744), (4109, 63520), (4696, 55580), (5558, 46960), (5870, 44464), (6352, 41090), (7940, 32872), (8218, 31760), (9392, 27790), (11116, 23480), (11740, 22232), (12704, 20545), (13895, 18784), (15880, 16436)]