71118520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 188697600

約数和(自身を除く): 117579080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 47, 55, 76, 88, 94, 95, 110, 152, 181, 188, 190, 209, 220, 235, 362, 376, 380, 418, 440, 470, 517, 724, 760, 836, 893, 905, 940, 1034, 1045, 1448, 1672, 1786, 1810, 1880, 1991, 2068, 2090, 2585, 3439, 3572, 3620, 3982, 4136, 4180, 4465, 5170, 6878, 7144, 7240, 7964, 8360, 8507, 8930, 9823, 9955, 10340, 13756, 15928, 17014, 17195, 17860, 19646, 19910, 20680, 27512, 34028, 34390, 35720, 37829, 39292, 39820, 42535, 49115, 68056, 68780, 75658, 78584, 79640, 85070, 93577, 98230, 137560, 151316, 161633, 170140, 187154, 189145, 196460, 302632, 323266, 340280, 374308, 378290, 392920, 467885, 646532, 748616, 756580, 808165, 935770, 1293064, 1513160, 1616330, 1777963, 1871540, 3232660, 3555926, 3743080, 6465320, 7111852, 8889815, 14223704, 17779630, 35559260, 71118520]

約数ペア:

[(1, 71118520), (2, 35559260), (4, 17779630), (5, 14223704), (8, 8889815), (10, 7111852), (11, 6465320), (19, 3743080), (20, 3555926), (22, 3232660), (38, 1871540), (40, 1777963), (44, 1616330), (47, 1513160), (55, 1293064), (76, 935770), (88, 808165), (94, 756580), (95, 748616), (110, 646532), (152, 467885), (181, 392920), (188, 378290), (190, 374308), (209, 340280), (220, 323266), (235, 302632), (362, 196460), (376, 189145), (380, 187154), (418, 170140), (440, 161633), (470, 151316), (517, 137560), (724, 98230), (760, 93577), (836, 85070), (893, 79640), (905, 78584), (940, 75658), (1034, 68780), (1045, 68056), (1448, 49115), (1672, 42535), (1786, 39820), (1810, 39292), (1880, 37829), (1991, 35720), (2068, 34390), (2090, 34028), (2585, 27512), (3439, 20680), (3572, 19910), (3620, 19646), (3982, 17860), (4136, 17195), (4180, 17014), (4465, 15928), (5170, 13756), (6878, 10340), (7144, 9955), (7240, 9823), (7964, 8930), (8360, 8507)]