668636640

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{22111}}^1$

素因数の和:22142

約数の個数: 192

約数和(自身を含む): 2674667520

約数和(自身を除く): 2006030880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 22111, 30240, 44222, 66333, 88444, 110555, 132666, 154777, 176888, 198999, 221110, 265332, 309554, 331665, 353776, 397998, 442220, 464331, 530664, 596997, 619108, 663330, 707552, 773885, 795996, 884440, 928662, 994995, 1061328, 1193994, 1238216, 1326660, 1392993, 1547770, 1591992, 1768880, 1857324, 1989990, 2122656, 2321655, 2387988, 2476432, 2653320, 2785986, 2984985, 3095540, 3183984, 3537760, 3714648, 3979980, 4178979, 4643310, 4775976, 4952864, 5306640, 5571972, 5969970, 6191080, 6367968, 6964965, 7429296, 7959960, 8357958, 9286620, 9551952, 10613280, 11143944, 11939940, 12382160, 13929930, 14858592, 15919920, 16715916, 18573240, 19103904, 20894895, 22287888, 23879880, 24764320, 27859860, 31839840, 33431832, 37146480, 41789790, 44575776, 47759760, 55719720, 66863664, 74292960, 83579580, 95519520, 111439440, 133727328, 167159160, 222878880, 334318320, 668636640]

約数ペア:

[(1, 668636640), (2, 334318320), (3, 222878880), (4, 167159160), (5, 133727328), (6, 111439440), (7, 95519520), (8, 83579580), (9, 74292960), (10, 66863664), (12, 55719720), (14, 47759760), (15, 44575776), (16, 41789790), (18, 37146480), (20, 33431832), (21, 31839840), (24, 27859860), (27, 24764320), (28, 23879880), (30, 22287888), (32, 20894895), (35, 19103904), (36, 18573240), (40, 16715916), (42, 15919920), (45, 14858592), (48, 13929930), (54, 12382160), (56, 11939940), (60, 11143944), (63, 10613280), (70, 9551952), (72, 9286620), (80, 8357958), (84, 7959960), (90, 7429296), (96, 6964965), (105, 6367968), (108, 6191080), (112, 5969970), (120, 5571972), (126, 5306640), (135, 4952864), (140, 4775976), (144, 4643310), (160, 4178979), (168, 3979980), (180, 3714648), (189, 3537760), (210, 3183984), (216, 3095540), (224, 2984985), (240, 2785986), (252, 2653320), (270, 2476432), (280, 2387988), (288, 2321655), (315, 2122656), (336, 1989990), (360, 1857324), (378, 1768880), (420, 1591992), (432, 1547770), (480, 1392993), (504, 1326660), (540, 1238216), (560, 1193994), (630, 1061328), (672, 994995), (720, 928662), (756, 884440), (840, 795996), (864, 773885), (945, 707552), (1008, 663330), (1080, 619108), (1120, 596997), (1260, 530664), (1440, 464331), (1512, 442220), (1680, 397998), (1890, 353776), (2016, 331665), (2160, 309554), (2520, 265332), (3024, 221110), (3360, 198999), (3780, 176888), (4320, 154777), (5040, 132666), (6048, 110555), (7560, 88444), (10080, 66333), (15120, 44222), (22111, 30240)]