64718080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 183665664

約数和(自身を除く): 118947584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 233, 248, 256, 280, 310, 320, 434, 448, 466, 496, 560, 620, 640, 868, 896, 932, 992, 1085, 1120, 1165, 1240, 1280, 1631, 1736, 1792, 1864, 1984, 2170, 2240, 2330, 2480, 3262, 3472, 3728, 3968, 4340, 4480, 4660, 4960, 6524, 6944, 7223, 7456, 7936, 8155, 8680, 8960, 9320, 9920, 13048, 13888, 14446, 14912, 16310, 17360, 18640, 19840, 26096, 27776, 28892, 29824, 32620, 34720, 36115, 37280, 39680, 50561, 52192, 55552, 57784, 59648, 65240, 69440, 72230, 74560, 101122, 104384, 115568, 130480, 138880, 144460, 149120, 202244, 208768, 231136, 252805, 260960, 277760, 288920, 298240, 404488, 417536, 462272, 505610, 521920, 577840, 808976, 924544, 1011220, 1043840, 1155680, 1617952, 1849088, 2022440, 2087680, 2311360, 3235904, 4044880, 4622720, 6471808, 8089760, 9245440, 12943616, 16179520, 32359040, 64718080]

約数ペア:

[(1, 64718080), (2, 32359040), (4, 16179520), (5, 12943616), (7, 9245440), (8, 8089760), (10, 6471808), (14, 4622720), (16, 4044880), (20, 3235904), (28, 2311360), (31, 2087680), (32, 2022440), (35, 1849088), (40, 1617952), (56, 1155680), (62, 1043840), (64, 1011220), (70, 924544), (80, 808976), (112, 577840), (124, 521920), (128, 505610), (140, 462272), (155, 417536), (160, 404488), (217, 298240), (224, 288920), (233, 277760), (248, 260960), (256, 252805), (280, 231136), (310, 208768), (320, 202244), (434, 149120), (448, 144460), (466, 138880), (496, 130480), (560, 115568), (620, 104384), (640, 101122), (868, 74560), (896, 72230), (932, 69440), (992, 65240), (1085, 59648), (1120, 57784), (1165, 55552), (1240, 52192), (1280, 50561), (1631, 39680), (1736, 37280), (1792, 36115), (1864, 34720), (1984, 32620), (2170, 29824), (2240, 28892), (2330, 27776), (2480, 26096), (3262, 19840), (3472, 18640), (3728, 17360), (3968, 16310), (4340, 14912), (4480, 14446), (4660, 13888), (4960, 13048), (6524, 9920), (6944, 9320), (7223, 8960), (7456, 8680), (7936, 8155)]