245277760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8423}}^1$

素因数の和:8460

約数の個数: 112

約数和(自身を含む): 718937856

約数和(自身を除く): 473660096

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 8423, 14560, 16846, 29120, 33692, 42115, 58961, 67384, 84230, 109499, 117922, 134768, 168460, 218998, 235844, 269536, 294805, 336920, 437996, 471688, 539072, 547495, 589610, 673840, 766493, 875992, 943376, 1094990, 1179220, 1347680, 1532986, 1751984, 1886752, 2189980, 2358440, 2695360, 3065972, 3503968, 3773504, 3832465, 4379960, 4716880, 6131944, 7007936, 7664930, 8759920, 9433760, 12263888, 15329860, 17519840, 18867520, 24527776, 30659720, 35039680, 49055552, 61319440, 122638880, 245277760]

約数ペア:

[(1, 245277760), (2, 122638880), (4, 61319440), (5, 49055552), (7, 35039680), (8, 30659720), (10, 24527776), (13, 18867520), (14, 17519840), (16, 15329860), (20, 12263888), (26, 9433760), (28, 8759920), (32, 7664930), (35, 7007936), (40, 6131944), (52, 4716880), (56, 4379960), (64, 3832465), (65, 3773504), (70, 3503968), (80, 3065972), (91, 2695360), (104, 2358440), (112, 2189980), (130, 1886752), (140, 1751984), (160, 1532986), (182, 1347680), (208, 1179220), (224, 1094990), (260, 943376), (280, 875992), (320, 766493), (364, 673840), (416, 589610), (448, 547495), (455, 539072), (520, 471688), (560, 437996), (728, 336920), (832, 294805), (910, 269536), (1040, 235844), (1120, 218998), (1456, 168460), (1820, 134768), (2080, 117922), (2240, 109499), (2912, 84230), (3640, 67384), (4160, 58961), (5824, 42115), (7280, 33692), (8423, 29120), (14560, 16846)]