81099720

素因数分解:

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

素因数の和:117

約数の個数: 288

約数和(自身を含む): 301466880

約数和(自身を除く): 220367160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 43, 45, 52, 60, 62, 65, 72, 78, 86, 90, 93, 104, 117, 120, 124, 129, 130, 155, 156, 169, 172, 180, 186, 195, 215, 234, 248, 258, 260, 279, 310, 312, 338, 344, 360, 372, 387, 390, 403, 430, 465, 468, 507, 516, 520, 558, 559, 585, 620, 645, 676, 744, 774, 780, 806, 845, 860, 930, 936, 1014, 1032, 1116, 1118, 1170, 1209, 1240, 1290, 1333, 1352, 1395, 1521, 1548, 1560, 1612, 1677, 1690, 1720, 1860, 1935, 2015, 2028, 2232, 2236, 2340, 2418, 2535, 2580, 2666, 2790, 2795, 3042, 3096, 3224, 3354, 3380, 3627, 3720, 3870, 3999, 4030, 4056, 4472, 4680, 4836, 5031, 5070, 5160, 5239, 5332, 5580, 5590, 6045, 6084, 6665, 6708, 6760, 7254, 7267, 7605, 7740, 7998, 8060, 8385, 9672, 10062, 10140, 10478, 10664, 11160, 11180, 11997, 12090, 12168, 13330, 13416, 14508, 14534, 15210, 15480, 15717, 15996, 16120, 16770, 17329, 18135, 19995, 20124, 20280, 20956, 21801, 22360, 23994, 24180, 25155, 26195, 26660, 29016, 29068, 30420, 31434, 31992, 33540, 34658, 36270, 36335, 39990, 40248, 41912, 43602, 47151, 47988, 48360, 50310, 51987, 52390, 53320, 58136, 59985, 60840, 62868, 65403, 67080, 69316, 72540, 72670, 78585, 79980, 86645, 87204, 94302, 95976, 100620, 103974, 104780, 109005, 119970, 125736, 130806, 138632, 145080, 145340, 155961, 157170, 159960, 173290, 174408, 188604, 201240, 207948, 209560, 218010, 225277, 235755, 239940, 259935, 261612, 290680, 311922, 314340, 327015, 346580, 377208, 415896, 436020, 450554, 471510, 479880, 519870, 523224, 623844, 628680, 654030, 675831, 693160, 779805, 872040, 901108, 943020, 1039740, 1126385, 1247688, 1308060, 1351662, 1559610, 1802216, 1886040, 2027493, 2079480, 2252770, 2616120, 2703324, 3119220, 3379155, 4054986, 4505540, 5406648, 6238440, 6758310, 8109972, 9011080, 10137465, 13516620, 16219944, 20274930, 27033240, 40549860, 81099720]

約数ペア:

[(1, 81099720), (2, 40549860), (3, 27033240), (4, 20274930), (5, 16219944), (6, 13516620), (8, 10137465), (9, 9011080), (10, 8109972), (12, 6758310), (13, 6238440), (15, 5406648), (18, 4505540), (20, 4054986), (24, 3379155), (26, 3119220), (30, 2703324), (31, 2616120), (36, 2252770), (39, 2079480), (40, 2027493), (43, 1886040), (45, 1802216), (52, 1559610), (60, 1351662), (62, 1308060), (65, 1247688), (72, 1126385), (78, 1039740), (86, 943020), (90, 901108), (93, 872040), (104, 779805), (117, 693160), (120, 675831), (124, 654030), (129, 628680), (130, 623844), (155, 523224), (156, 519870), (169, 479880), (172, 471510), (180, 450554), (186, 436020), (195, 415896), (215, 377208), (234, 346580), (248, 327015), (258, 314340), (260, 311922), (279, 290680), (310, 261612), (312, 259935), (338, 239940), (344, 235755), (360, 225277), (372, 218010), (387, 209560), (390, 207948), (403, 201240), (430, 188604), (465, 174408), (468, 173290), (507, 159960), (516, 157170), (520, 155961), (558, 145340), (559, 145080), (585, 138632), (620, 130806), (645, 125736), (676, 119970), (744, 109005), (774, 104780), (780, 103974), (806, 100620), (845, 95976), (860, 94302), (930, 87204), (936, 86645), (1014, 79980), (1032, 78585), (1116, 72670), (1118, 72540), (1170, 69316), (1209, 67080), (1240, 65403), (1290, 62868), (1333, 60840), (1352, 59985), (1395, 58136), (1521, 53320), (1548, 52390), (1560, 51987), (1612, 50310), (1677, 48360), (1690, 47988), (1720, 47151), (1860, 43602), (1935, 41912), (2015, 40248), (2028, 39990), (2232, 36335), (2236, 36270), (2340, 34658), (2418, 33540), (2535, 31992), (2580, 31434), (2666, 30420), (2790, 29068), (2795, 29016), (3042, 26660), (3096, 26195), (3224, 25155), (3354, 24180), (3380, 23994), (3627, 22360), (3720, 21801), (3870, 20956), (3999, 20280), (4030, 20124), (4056, 19995), (4472, 18135), (4680, 17329), (4836, 16770), (5031, 16120), (5070, 15996), (5160, 15717), (5239, 15480), (5332, 15210), (5580, 14534), (5590, 14508), (6045, 13416), (6084, 13330), (6665, 12168), (6708, 12090), (6760, 11997), (7254, 11180), (7267, 11160), (7605, 10664), (7740, 10478), (7998, 10140), (8060, 10062), (8385, 9672)]