72395960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19889}}^1$

素因数の和:19920

約数の個数: 64

約数和(自身を含む): 200491200

約数和(自身を除く): 128095240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 19889, 39778, 79556, 99445, 139223, 159112, 198890, 258557, 278446, 397780, 517114, 556892, 696115, 795560, 1034228, 1113784, 1292785, 1392230, 1809899, 2068456, 2585570, 2784460, 3619798, 5171140, 5568920, 7239596, 9049495, 10342280, 14479192, 18098990, 36197980, 72395960]

約数ペア:

[(1, 72395960), (2, 36197980), (4, 18098990), (5, 14479192), (7, 10342280), (8, 9049495), (10, 7239596), (13, 5568920), (14, 5171140), (20, 3619798), (26, 2784460), (28, 2585570), (35, 2068456), (40, 1809899), (52, 1392230), (56, 1292785), (65, 1113784), (70, 1034228), (91, 795560), (104, 696115), (130, 556892), (140, 517114), (182, 397780), (260, 278446), (280, 258557), (364, 198890), (455, 159112), (520, 139223), (728, 99445), (910, 79556), (1820, 39778), (3640, 19889)]