171405780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31393}}^1$

素因数の和:31425

約数の個数: 96

約数和(自身を含む): 590709504

約数和(自身を除く): 419303724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 31393, 62786, 94179, 125572, 156965, 188358, 219751, 313930, 376716, 408109, 439502, 470895, 627860, 659253, 816218, 879004, 941790, 1098755, 1224327, 1318506, 1632436, 1883580, 2040545, 2197510, 2448654, 2637012, 2856763, 3296265, 4081090, 4395020, 4897308, 5713526, 6121635, 6592530, 8162180, 8570289, 11427052, 12243270, 13185060, 14283815, 17140578, 24486540, 28567630, 34281156, 42851445, 57135260, 85702890, 171405780]

約数ペア:

[(1, 171405780), (2, 85702890), (3, 57135260), (4, 42851445), (5, 34281156), (6, 28567630), (7, 24486540), (10, 17140578), (12, 14283815), (13, 13185060), (14, 12243270), (15, 11427052), (20, 8570289), (21, 8162180), (26, 6592530), (28, 6121635), (30, 5713526), (35, 4897308), (39, 4395020), (42, 4081090), (52, 3296265), (60, 2856763), (65, 2637012), (70, 2448654), (78, 2197510), (84, 2040545), (91, 1883580), (105, 1632436), (130, 1318506), (140, 1224327), (156, 1098755), (182, 941790), (195, 879004), (210, 816218), (260, 659253), (273, 627860), (364, 470895), (390, 439502), (420, 408109), (455, 376716), (546, 313930), (780, 219751), (910, 188358), (1092, 156965), (1365, 125572), (1820, 94179), (2730, 62786), (5460, 31393)]