1521000920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{11057}}^1$

素因数の和:11268

約数の個数: 64

約数和(自身を含む): 3622600800

約数和(自身を除く): 2101599880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 724, 760, 905, 1448, 1810, 3439, 3620, 6878, 7240, 11057, 13756, 17195, 22114, 27512, 34390, 44228, 55285, 68780, 88456, 110570, 137560, 210083, 221140, 420166, 442280, 840332, 1050415, 1680664, 2001317, 2100830, 4002634, 4201660, 8005268, 8403320, 10006585, 16010536, 20013170, 38025023, 40026340, 76050046, 80052680, 152100092, 190125115, 304200184, 380250230, 760500460, 1521000920]

約数ペア:

[(1, 1521000920), (2, 760500460), (4, 380250230), (5, 304200184), (8, 190125115), (10, 152100092), (19, 80052680), (20, 76050046), (38, 40026340), (40, 38025023), (76, 20013170), (95, 16010536), (152, 10006585), (181, 8403320), (190, 8005268), (362, 4201660), (380, 4002634), (724, 2100830), (760, 2001317), (905, 1680664), (1448, 1050415), (1810, 840332), (3439, 442280), (3620, 420166), (6878, 221140), (7240, 210083), (11057, 137560), (13756, 110570), (17195, 88456), (22114, 68780), (27512, 55285), (34390, 44228)]