16109720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 43545600

約数和(自身を除く): 27435880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 41, 44, 47, 55, 76, 82, 88, 94, 95, 110, 152, 164, 188, 190, 205, 209, 220, 235, 328, 376, 380, 410, 418, 440, 451, 470, 517, 760, 779, 820, 836, 893, 902, 940, 1034, 1045, 1558, 1640, 1672, 1786, 1804, 1880, 1927, 2068, 2090, 2255, 2585, 3116, 3572, 3608, 3854, 3895, 4136, 4180, 4465, 4510, 5170, 6232, 7144, 7708, 7790, 8360, 8569, 8930, 9020, 9635, 9823, 10340, 15416, 15580, 17138, 17860, 18040, 19270, 19646, 20680, 21197, 31160, 34276, 35720, 36613, 38540, 39292, 42394, 42845, 49115, 68552, 73226, 77080, 78584, 84788, 85690, 98230, 105985, 146452, 169576, 171380, 183065, 196460, 211970, 292904, 342760, 366130, 392920, 402743, 423940, 732260, 805486, 847880, 1464520, 1610972, 2013715, 3221944, 4027430, 8054860, 16109720]

約数ペア:

[(1, 16109720), (2, 8054860), (4, 4027430), (5, 3221944), (8, 2013715), (10, 1610972), (11, 1464520), (19, 847880), (20, 805486), (22, 732260), (38, 423940), (40, 402743), (41, 392920), (44, 366130), (47, 342760), (55, 292904), (76, 211970), (82, 196460), (88, 183065), (94, 171380), (95, 169576), (110, 146452), (152, 105985), (164, 98230), (188, 85690), (190, 84788), (205, 78584), (209, 77080), (220, 73226), (235, 68552), (328, 49115), (376, 42845), (380, 42394), (410, 39292), (418, 38540), (440, 36613), (451, 35720), (470, 34276), (517, 31160), (760, 21197), (779, 20680), (820, 19646), (836, 19270), (893, 18040), (902, 17860), (940, 17138), (1034, 15580), (1045, 15416), (1558, 10340), (1640, 9823), (1672, 9635), (1786, 9020), (1804, 8930), (1880, 8569), (1927, 8360), (2068, 7790), (2090, 7708), (2255, 7144), (2585, 6232), (3116, 5170), (3572, 4510), (3608, 4465), (3854, 4180), (3895, 4136)]