68309020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 161864640

約数和(自身を除く): 93555620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 61, 65, 73, 118, 122, 130, 146, 236, 244, 260, 292, 295, 305, 365, 590, 610, 730, 767, 793, 949, 1180, 1220, 1460, 1534, 1586, 1898, 3068, 3172, 3599, 3796, 3835, 3965, 4307, 4453, 4745, 7198, 7670, 7930, 8614, 8906, 9490, 14396, 15340, 15860, 17228, 17812, 17995, 18980, 21535, 22265, 35990, 43070, 44530, 46787, 55991, 57889, 71980, 86140, 89060, 93574, 111982, 115778, 187148, 223964, 231556, 233935, 262727, 279955, 289445, 467870, 525454, 559910, 578890, 935740, 1050908, 1119820, 1157780, 1313635, 2627270, 3415451, 5254540, 6830902, 13661804, 17077255, 34154510, 68309020]

約数ペア:

[(1, 68309020), (2, 34154510), (4, 17077255), (5, 13661804), (10, 6830902), (13, 5254540), (20, 3415451), (26, 2627270), (52, 1313635), (59, 1157780), (61, 1119820), (65, 1050908), (73, 935740), (118, 578890), (122, 559910), (130, 525454), (146, 467870), (236, 289445), (244, 279955), (260, 262727), (292, 233935), (295, 231556), (305, 223964), (365, 187148), (590, 115778), (610, 111982), (730, 93574), (767, 89060), (793, 86140), (949, 71980), (1180, 57889), (1220, 55991), (1460, 46787), (1534, 44530), (1586, 43070), (1898, 35990), (3068, 22265), (3172, 21535), (3599, 18980), (3796, 17995), (3835, 17812), (3965, 17228), (4307, 15860), (4453, 15340), (4745, 14396), (7198, 9490), (7670, 8906), (7930, 8614)]