120305920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 341429760

約数和(自身を除く): 221123840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 256, 280, 290, 320, 406, 448, 463, 464, 560, 580, 640, 812, 896, 926, 928, 1015, 1120, 1160, 1280, 1624, 1792, 1852, 1856, 2030, 2240, 2315, 2320, 3241, 3248, 3704, 3712, 4060, 4480, 4630, 4640, 6482, 6496, 7408, 7424, 8120, 8960, 9260, 9280, 12964, 12992, 13427, 14816, 16205, 16240, 18520, 18560, 25928, 25984, 26854, 29632, 32410, 32480, 37040, 37120, 51856, 51968, 53708, 59264, 64820, 64960, 67135, 74080, 93989, 103712, 107416, 118528, 129640, 129920, 134270, 148160, 187978, 207424, 214832, 259280, 259840, 268540, 296320, 375956, 414848, 429664, 469945, 518560, 537080, 592640, 751912, 829696, 859328, 939890, 1037120, 1074160, 1503824, 1718656, 1879780, 2074240, 2148320, 3007648, 3437312, 3759560, 4148480, 4296640, 6015296, 7519120, 8593280, 12030592, 15038240, 17186560, 24061184, 30076480, 60152960, 120305920]

約数ペア:

[(1, 120305920), (2, 60152960), (4, 30076480), (5, 24061184), (7, 17186560), (8, 15038240), (10, 12030592), (14, 8593280), (16, 7519120), (20, 6015296), (28, 4296640), (29, 4148480), (32, 3759560), (35, 3437312), (40, 3007648), (56, 2148320), (58, 2074240), (64, 1879780), (70, 1718656), (80, 1503824), (112, 1074160), (116, 1037120), (128, 939890), (140, 859328), (145, 829696), (160, 751912), (203, 592640), (224, 537080), (232, 518560), (256, 469945), (280, 429664), (290, 414848), (320, 375956), (406, 296320), (448, 268540), (463, 259840), (464, 259280), (560, 214832), (580, 207424), (640, 187978), (812, 148160), (896, 134270), (926, 129920), (928, 129640), (1015, 118528), (1120, 107416), (1160, 103712), (1280, 93989), (1624, 74080), (1792, 67135), (1852, 64960), (1856, 64820), (2030, 59264), (2240, 53708), (2315, 51968), (2320, 51856), (3241, 37120), (3248, 37040), (3704, 32480), (3712, 32410), (4060, 29632), (4480, 26854), (4630, 25984), (4640, 25928), (6482, 18560), (6496, 18520), (7408, 16240), (7424, 16205), (8120, 14816), (8960, 13427), (9260, 12992), (9280, 12964)]