18715320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 256

約数和(自身を含む): 70963200

約数和(自身を除く): 52247880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 43, 45, 52, 54, 60, 62, 65, 72, 78, 86, 90, 93, 104, 108, 117, 120, 124, 129, 130, 135, 155, 156, 172, 180, 186, 195, 215, 216, 234, 248, 258, 260, 270, 279, 310, 312, 344, 351, 360, 372, 387, 390, 403, 430, 465, 468, 516, 520, 540, 558, 559, 585, 620, 645, 702, 744, 774, 780, 806, 837, 860, 930, 936, 1032, 1080, 1116, 1118, 1161, 1170, 1209, 1240, 1290, 1333, 1395, 1404, 1548, 1560, 1612, 1674, 1677, 1720, 1755, 1860, 1935, 2015, 2232, 2236, 2322, 2340, 2418, 2580, 2666, 2790, 2795, 2808, 3096, 3224, 3348, 3354, 3510, 3627, 3720, 3870, 3999, 4030, 4185, 4472, 4644, 4680, 4836, 5031, 5160, 5332, 5580, 5590, 5805, 6045, 6665, 6696, 6708, 7020, 7254, 7740, 7998, 8060, 8370, 8385, 9288, 9672, 10062, 10664, 10881, 11160, 11180, 11610, 11997, 12090, 13330, 13416, 14040, 14508, 15093, 15480, 15996, 16120, 16740, 16770, 17329, 18135, 19995, 20124, 21762, 22360, 23220, 23994, 24180, 25155, 26660, 29016, 30186, 31992, 33480, 33540, 34658, 35991, 36270, 39990, 40248, 43524, 46440, 47988, 48360, 50310, 51987, 53320, 54405, 59985, 60372, 67080, 69316, 71982, 72540, 75465, 79980, 86645, 87048, 95976, 100620, 103974, 108810, 119970, 120744, 138632, 143964, 145080, 150930, 155961, 159960, 173290, 179955, 201240, 207948, 217620, 239940, 259935, 287928, 301860, 311922, 346580, 359910, 415896, 435240, 467883, 479880, 519870, 603720, 623844, 693160, 719820, 779805, 935766, 1039740, 1247688, 1439640, 1559610, 1871532, 2079480, 2339415, 3119220, 3743064, 4678830, 6238440, 9357660, 18715320]

約数ペア:

[(1, 18715320), (2, 9357660), (3, 6238440), (4, 4678830), (5, 3743064), (6, 3119220), (8, 2339415), (9, 2079480), (10, 1871532), (12, 1559610), (13, 1439640), (15, 1247688), (18, 1039740), (20, 935766), (24, 779805), (26, 719820), (27, 693160), (30, 623844), (31, 603720), (36, 519870), (39, 479880), (40, 467883), (43, 435240), (45, 415896), (52, 359910), (54, 346580), (60, 311922), (62, 301860), (65, 287928), (72, 259935), (78, 239940), (86, 217620), (90, 207948), (93, 201240), (104, 179955), (108, 173290), (117, 159960), (120, 155961), (124, 150930), (129, 145080), (130, 143964), (135, 138632), (155, 120744), (156, 119970), (172, 108810), (180, 103974), (186, 100620), (195, 95976), (215, 87048), (216, 86645), (234, 79980), (248, 75465), (258, 72540), (260, 71982), (270, 69316), (279, 67080), (310, 60372), (312, 59985), (344, 54405), (351, 53320), (360, 51987), (372, 50310), (387, 48360), (390, 47988), (403, 46440), (430, 43524), (465, 40248), (468, 39990), (516, 36270), (520, 35991), (540, 34658), (558, 33540), (559, 33480), (585, 31992), (620, 30186), (645, 29016), (702, 26660), (744, 25155), (774, 24180), (780, 23994), (806, 23220), (837, 22360), (860, 21762), (930, 20124), (936, 19995), (1032, 18135), (1080, 17329), (1116, 16770), (1118, 16740), (1161, 16120), (1170, 15996), (1209, 15480), (1240, 15093), (1290, 14508), (1333, 14040), (1395, 13416), (1404, 13330), (1548, 12090), (1560, 11997), (1612, 11610), (1674, 11180), (1677, 11160), (1720, 10881), (1755, 10664), (1860, 10062), (1935, 9672), (2015, 9288), (2232, 8385), (2236, 8370), (2322, 8060), (2340, 7998), (2418, 7740), (2580, 7254), (2666, 7020), (2790, 6708), (2795, 6696), (2808, 6665), (3096, 6045), (3224, 5805), (3348, 5590), (3354, 5580), (3510, 5332), (3627, 5160), (3720, 5031), (3870, 4836), (3999, 4680), (4030, 4644), (4185, 4472)]