68389740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20031

約数の個数: 72

約数和(自身を含む): 218378160

約数和(自身を除く): 149988420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 19997, 39994, 59991, 79988, 99985, 119982, 179973, 199970, 239964, 299955, 359946, 379943, 399940, 599910, 719892, 759886, 899865, 1139829, 1199820, 1519772, 1799730, 1899715, 2279658, 3419487, 3599460, 3799430, 4559316, 5699145, 6838974, 7598860, 11398290, 13677948, 17097435, 22796580, 34194870, 68389740]

約数ペア:

[(1, 68389740), (2, 34194870), (3, 22796580), (4, 17097435), (5, 13677948), (6, 11398290), (9, 7598860), (10, 6838974), (12, 5699145), (15, 4559316), (18, 3799430), (19, 3599460), (20, 3419487), (30, 2279658), (36, 1899715), (38, 1799730), (45, 1519772), (57, 1199820), (60, 1139829), (76, 899865), (90, 759886), (95, 719892), (114, 599910), (171, 399940), (180, 379943), (190, 359946), (228, 299955), (285, 239964), (342, 199970), (380, 179973), (570, 119982), (684, 99985), (855, 79988), (1140, 59991), (1710, 39994), (3420, 19997)]