219431640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{967}}^1$

素因数の和:1073

約数の個数: 128

約数和(自身を含む): 691384320

約数和(自身を除く): 471952680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 732, 744, 915, 930, 967, 1220, 1240, 1464, 1830, 1860, 1891, 1934, 2440, 2901, 3660, 3720, 3782, 3868, 4835, 5673, 5802, 7320, 7564, 7736, 9455, 9670, 11346, 11604, 14505, 15128, 18910, 19340, 22692, 23208, 28365, 29010, 29977, 37820, 38680, 45384, 56730, 58020, 58987, 59954, 75640, 89931, 113460, 116040, 117974, 119908, 149885, 176961, 179862, 226920, 235948, 239816, 294935, 299770, 353922, 359724, 449655, 471896, 589870, 599540, 707844, 719448, 884805, 899310, 1179740, 1199080, 1415688, 1769610, 1798620, 1828597, 2359480, 3539220, 3597240, 3657194, 5485791, 7078440, 7314388, 9142985, 10971582, 14628776, 18285970, 21943164, 27428955, 36571940, 43886328, 54857910, 73143880, 109715820, 219431640]

約数ペア:

[(1, 219431640), (2, 109715820), (3, 73143880), (4, 54857910), (5, 43886328), (6, 36571940), (8, 27428955), (10, 21943164), (12, 18285970), (15, 14628776), (20, 10971582), (24, 9142985), (30, 7314388), (31, 7078440), (40, 5485791), (60, 3657194), (61, 3597240), (62, 3539220), (93, 2359480), (120, 1828597), (122, 1798620), (124, 1769610), (155, 1415688), (183, 1199080), (186, 1179740), (244, 899310), (248, 884805), (305, 719448), (310, 707844), (366, 599540), (372, 589870), (465, 471896), (488, 449655), (610, 359724), (620, 353922), (732, 299770), (744, 294935), (915, 239816), (930, 235948), (967, 226920), (1220, 179862), (1240, 176961), (1464, 149885), (1830, 119908), (1860, 117974), (1891, 116040), (1934, 113460), (2440, 89931), (2901, 75640), (3660, 59954), (3720, 58987), (3782, 58020), (3868, 56730), (4835, 45384), (5673, 38680), (5802, 37820), (7320, 29977), (7564, 29010), (7736, 28365), (9455, 23208), (9670, 22692), (11346, 19340), (11604, 18910), (14505, 15128)]