68845560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 173074440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 1999, 2296, 2460, 2870, 3444, 3998, 4305, 4920, 5740, 5997, 6888, 7996, 8610, 9995, 11480, 11994, 13993, 15992, 17220, 19990, 23988, 27986, 29985, 34440, 39980, 41979, 47976, 55972, 59970, 69965, 79960, 81959, 83958, 111944, 119940, 139930, 163918, 167916, 209895, 239880, 245877, 279860, 327836, 335832, 409795, 419790, 491754, 559720, 573713, 655672, 819590, 839580, 983508, 1147426, 1229385, 1639180, 1679160, 1721139, 1967016, 2294852, 2458770, 2868565, 3278360, 3442278, 4589704, 4917540, 5737130, 6884556, 8605695, 9835080, 11474260, 13769112, 17211390, 22948520, 34422780, 68845560]

約数ペア:

[(1, 68845560), (2, 34422780), (3, 22948520), (4, 17211390), (5, 13769112), (6, 11474260), (7, 9835080), (8, 8605695), (10, 6884556), (12, 5737130), (14, 4917540), (15, 4589704), (20, 3442278), (21, 3278360), (24, 2868565), (28, 2458770), (30, 2294852), (35, 1967016), (40, 1721139), (41, 1679160), (42, 1639180), (56, 1229385), (60, 1147426), (70, 983508), (82, 839580), (84, 819590), (105, 655672), (120, 573713), (123, 559720), (140, 491754), (164, 419790), (168, 409795), (205, 335832), (210, 327836), (246, 279860), (280, 245877), (287, 239880), (328, 209895), (410, 167916), (420, 163918), (492, 139930), (574, 119940), (615, 111944), (820, 83958), (840, 81959), (861, 79960), (984, 69965), (1148, 59970), (1230, 55972), (1435, 47976), (1640, 41979), (1722, 39980), (1999, 34440), (2296, 29985), (2460, 27986), (2870, 23988), (3444, 19990), (3998, 17220), (4305, 15992), (4920, 13993), (5740, 11994), (5997, 11480), (6888, 9995), (7996, 8610)]