120190720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 321414912

約数和(自身を除く): 201224192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 233, 248, 256, 260, 310, 320, 403, 416, 466, 496, 520, 620, 640, 806, 832, 932, 992, 1040, 1165, 1240, 1280, 1612, 1664, 1864, 1984, 2015, 2080, 2330, 2480, 3029, 3224, 3328, 3728, 3968, 4030, 4160, 4660, 4960, 6058, 6448, 7223, 7456, 7936, 8060, 8320, 9320, 9920, 12116, 12896, 14446, 14912, 15145, 16120, 16640, 18640, 19840, 24232, 25792, 28892, 29824, 30290, 32240, 36115, 37280, 39680, 48464, 51584, 57784, 59648, 60580, 64480, 72230, 74560, 93899, 96928, 103168, 115568, 121160, 128960, 144460, 149120, 187798, 193856, 231136, 242320, 257920, 288920, 298240, 375596, 387712, 462272, 469495, 484640, 515840, 577840, 751192, 775424, 924544, 938990, 969280, 1155680, 1502384, 1849088, 1877980, 1938560, 2311360, 3004768, 3755960, 3877120, 4622720, 6009536, 7511920, 9245440, 12019072, 15023840, 24038144, 30047680, 60095360, 120190720]

約数ペア:

[(1, 120190720), (2, 60095360), (4, 30047680), (5, 24038144), (8, 15023840), (10, 12019072), (13, 9245440), (16, 7511920), (20, 6009536), (26, 4622720), (31, 3877120), (32, 3755960), (40, 3004768), (52, 2311360), (62, 1938560), (64, 1877980), (65, 1849088), (80, 1502384), (104, 1155680), (124, 969280), (128, 938990), (130, 924544), (155, 775424), (160, 751192), (208, 577840), (233, 515840), (248, 484640), (256, 469495), (260, 462272), (310, 387712), (320, 375596), (403, 298240), (416, 288920), (466, 257920), (496, 242320), (520, 231136), (620, 193856), (640, 187798), (806, 149120), (832, 144460), (932, 128960), (992, 121160), (1040, 115568), (1165, 103168), (1240, 96928), (1280, 93899), (1612, 74560), (1664, 72230), (1864, 64480), (1984, 60580), (2015, 59648), (2080, 57784), (2330, 51584), (2480, 48464), (3029, 39680), (3224, 37280), (3328, 36115), (3728, 32240), (3968, 30290), (4030, 29824), (4160, 28892), (4660, 25792), (4960, 24232), (6058, 19840), (6448, 18640), (7223, 16640), (7456, 16120), (7936, 15145), (8060, 14912), (8320, 14446), (9320, 12896), (9920, 12116)]