199775520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19819}}^1$

素因数の和:19847

約数の個数: 144

約数和(自身を含む): 779163840

約数和(自身を除く): 579388320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 19819, 39638, 59457, 79276, 99095, 118914, 138733, 158552, 178371, 198190, 237828, 277466, 297285, 317104, 356742, 396380, 416199, 475656, 554932, 594570, 634208, 693665, 713484, 792760, 832398, 891855, 951312, 1109864, 1189140, 1248597, 1387330, 1426968, 1585520, 1664796, 1783710, 1902624, 2080995, 2219728, 2378280, 2497194, 2774660, 2853936, 3171040, 3329592, 3567420, 4161990, 4439456, 4756560, 4994388, 5549320, 5707872, 6242985, 6659184, 7134840, 8323980, 9513120, 9988776, 11098640, 12485970, 13318368, 14269680, 16647960, 19977552, 22197280, 24971940, 28539360, 33295920, 39955104, 49943880, 66591840, 99887760, 199775520]

約数ペア:

[(1, 199775520), (2, 99887760), (3, 66591840), (4, 49943880), (5, 39955104), (6, 33295920), (7, 28539360), (8, 24971940), (9, 22197280), (10, 19977552), (12, 16647960), (14, 14269680), (15, 13318368), (16, 12485970), (18, 11098640), (20, 9988776), (21, 9513120), (24, 8323980), (28, 7134840), (30, 6659184), (32, 6242985), (35, 5707872), (36, 5549320), (40, 4994388), (42, 4756560), (45, 4439456), (48, 4161990), (56, 3567420), (60, 3329592), (63, 3171040), (70, 2853936), (72, 2774660), (80, 2497194), (84, 2378280), (90, 2219728), (96, 2080995), (105, 1902624), (112, 1783710), (120, 1664796), (126, 1585520), (140, 1426968), (144, 1387330), (160, 1248597), (168, 1189140), (180, 1109864), (210, 951312), (224, 891855), (240, 832398), (252, 792760), (280, 713484), (288, 693665), (315, 634208), (336, 594570), (360, 554932), (420, 475656), (480, 416199), (504, 396380), (560, 356742), (630, 317104), (672, 297285), (720, 277466), (840, 237828), (1008, 198190), (1120, 178371), (1260, 158552), (1440, 138733), (1680, 118914), (2016, 99095), (2520, 79276), (3360, 59457), (5040, 39638), (10080, 19819)]