399551040

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{19819}}^1$

素因数の和:19849

約数の個数: 168

約数和(自身を含む): 1570695360

約数和(自身を除く): 1171144320

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, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 19819, 20160, 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, 1268416, 1387330, 1426968, 1585520, 1664796, 1783710, 1902624, 2080995, 2219728, 2378280, 2497194, 2774660, 2853936, 3171040, 3329592, 3567420, 3805248, 4161990, 4439456, 4756560, 4994388, 5549320, 5707872, 6242985, 6342080, 6659184, 7134840, 8323980, 8878912, 9513120, 9988776, 11098640, 11415744, 12485970, 13318368, 14269680, 16647960, 19026240, 19977552, 22197280, 24971940, 26636736, 28539360, 33295920, 39955104, 44394560, 49943880, 57078720, 66591840, 79910208, 99887760, 133183680, 199775520, 399551040]

約数ペア:

[(1, 399551040), (2, 199775520), (3, 133183680), (4, 99887760), (5, 79910208), (6, 66591840), (7, 57078720), (8, 49943880), (9, 44394560), (10, 39955104), (12, 33295920), (14, 28539360), (15, 26636736), (16, 24971940), (18, 22197280), (20, 19977552), (21, 19026240), (24, 16647960), (28, 14269680), (30, 13318368), (32, 12485970), (35, 11415744), (36, 11098640), (40, 9988776), (42, 9513120), (45, 8878912), (48, 8323980), (56, 7134840), (60, 6659184), (63, 6342080), (64, 6242985), (70, 5707872), (72, 5549320), (80, 4994388), (84, 4756560), (90, 4439456), (96, 4161990), (105, 3805248), (112, 3567420), (120, 3329592), (126, 3171040), (140, 2853936), (144, 2774660), (160, 2497194), (168, 2378280), (180, 2219728), (192, 2080995), (210, 1902624), (224, 1783710), (240, 1664796), (252, 1585520), (280, 1426968), (288, 1387330), (315, 1268416), (320, 1248597), (336, 1189140), (360, 1109864), (420, 951312), (448, 891855), (480, 832398), (504, 792760), (560, 713484), (576, 693665), (630, 634208), (672, 594570), (720, 554932), (840, 475656), (960, 416199), (1008, 396380), (1120, 356742), (1260, 317104), (1344, 297285), (1440, 277466), (1680, 237828), (2016, 198190), (2240, 178371), (2520, 158552), (2880, 138733), (3360, 118914), (4032, 99095), (5040, 79276), (6720, 59457), (10080, 39638), (19819, 20160)]