1684280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 4233600

約数和(自身を除く): 2549320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 79, 82, 104, 130, 158, 164, 205, 260, 316, 328, 395, 410, 520, 533, 632, 790, 820, 1027, 1066, 1580, 1640, 2054, 2132, 2665, 3160, 3239, 4108, 4264, 5135, 5330, 6478, 8216, 10270, 10660, 12956, 16195, 20540, 21320, 25912, 32390, 41080, 42107, 64780, 84214, 129560, 168428, 210535, 336856, 421070, 842140, 1684280]

約数ペア:

[(1, 1684280), (2, 842140), (4, 421070), (5, 336856), (8, 210535), (10, 168428), (13, 129560), (20, 84214), (26, 64780), (40, 42107), (41, 41080), (52, 32390), (65, 25912), (79, 21320), (82, 20540), (104, 16195), (130, 12956), (158, 10660), (164, 10270), (205, 8216), (260, 6478), (316, 5330), (328, 5135), (395, 4264), (410, 4108), (520, 3239), (533, 3160), (632, 2665), (790, 2132), (820, 2054), (1027, 1640), (1066, 1580)]