65980880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1997}}^1$

素因数の和:2076

約数の個数: 80

約数和(自身を含む): 178381440

約数和(自身を除く): 112400560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1180, 1652, 1997, 2065, 2360, 3304, 3994, 4130, 4720, 6608, 7988, 8260, 9985, 13979, 15976, 16520, 19970, 27958, 31952, 33040, 39940, 55916, 69895, 79880, 111832, 117823, 139790, 159760, 223664, 235646, 279580, 471292, 559160, 589115, 824761, 942584, 1118320, 1178230, 1649522, 1885168, 2356460, 3299044, 4123805, 4712920, 6598088, 8247610, 9425840, 13196176, 16495220, 32990440, 65980880]

約数ペア:

[(1, 65980880), (2, 32990440), (4, 16495220), (5, 13196176), (7, 9425840), (8, 8247610), (10, 6598088), (14, 4712920), (16, 4123805), (20, 3299044), (28, 2356460), (35, 1885168), (40, 1649522), (56, 1178230), (59, 1118320), (70, 942584), (80, 824761), (112, 589115), (118, 559160), (140, 471292), (236, 279580), (280, 235646), (295, 223664), (413, 159760), (472, 139790), (560, 117823), (590, 111832), (826, 79880), (944, 69895), (1180, 55916), (1652, 39940), (1997, 33040), (2065, 31952), (2360, 27958), (3304, 19970), (3994, 16520), (4130, 15976), (4720, 13979), (6608, 9985), (7988, 8260)]