87120540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1260

約数の個数: 144

約数和(自身を含む): 294018816

約数和(自身を除く): 206898276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1201, 1209, 1395, 1612, 1860, 2015, 2340, 2402, 2418, 2790, 3603, 3627, 4030, 4804, 4836, 5580, 6005, 6045, 7206, 7254, 8060, 10809, 12010, 12090, 14412, 14508, 15613, 18015, 18135, 21618, 24020, 24180, 31226, 36030, 36270, 37231, 43236, 46839, 54045, 62452, 72060, 72540, 74462, 78065, 93678, 108090, 111693, 140517, 148924, 156130, 186155, 187356, 216180, 223386, 234195, 281034, 312260, 335079, 372310, 446772, 468390, 484003, 558465, 562068, 670158, 702585, 744620, 936780, 968006, 1116930, 1340316, 1405170, 1452009, 1675395, 1936012, 2233860, 2420015, 2810340, 2904018, 3350790, 4356027, 4840030, 5808036, 6701580, 7260045, 8712054, 9680060, 14520090, 17424108, 21780135, 29040180, 43560270, 87120540]

約数ペア:

[(1, 87120540), (2, 43560270), (3, 29040180), (4, 21780135), (5, 17424108), (6, 14520090), (9, 9680060), (10, 8712054), (12, 7260045), (13, 6701580), (15, 5808036), (18, 4840030), (20, 4356027), (26, 3350790), (30, 2904018), (31, 2810340), (36, 2420015), (39, 2233860), (45, 1936012), (52, 1675395), (60, 1452009), (62, 1405170), (65, 1340316), (78, 1116930), (90, 968006), (93, 936780), (117, 744620), (124, 702585), (130, 670158), (155, 562068), (156, 558465), (180, 484003), (186, 468390), (195, 446772), (234, 372310), (260, 335079), (279, 312260), (310, 281034), (372, 234195), (390, 223386), (403, 216180), (465, 187356), (468, 186155), (558, 156130), (585, 148924), (620, 140517), (780, 111693), (806, 108090), (930, 93678), (1116, 78065), (1170, 74462), (1201, 72540), (1209, 72060), (1395, 62452), (1612, 54045), (1860, 46839), (2015, 43236), (2340, 37231), (2402, 36270), (2418, 36030), (2790, 31226), (3603, 24180), (3627, 24020), (4030, 21618), (4804, 18135), (4836, 18015), (5580, 15613), (6005, 14508), (6045, 14412), (7206, 12090), (7254, 12010), (8060, 10809)]