1307835880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 3249227520

約数和(自身を除く): 1941391640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 131, 146, 260, 262, 263, 292, 365, 520, 524, 526, 584, 655, 730, 949, 1048, 1052, 1310, 1315, 1460, 1703, 1898, 2104, 2620, 2630, 2920, 3406, 3419, 3796, 4745, 5240, 5260, 6812, 6838, 7592, 8515, 9490, 9563, 10520, 13624, 13676, 17030, 17095, 18980, 19126, 19199, 27352, 34060, 34190, 34453, 37960, 38252, 38398, 47815, 68120, 68380, 68906, 76504, 76796, 95630, 95995, 124319, 136760, 137812, 153592, 172265, 191260, 191990, 248638, 249587, 275624, 344530, 382520, 383980, 447889, 497276, 499174, 621595, 689060, 767960, 895778, 994552, 998348, 1243190, 1247935, 1378120, 1791556, 1996696, 2239445, 2486380, 2495870, 2515069, 3583112, 4478890, 4972760, 4991740, 5030138, 8957780, 9983480, 10060276, 12575345, 17915560, 20120552, 25150690, 32695897, 50301380, 65391794, 100602760, 130783588, 163479485, 261567176, 326958970, 653917940, 1307835880]

約数ペア:

[(1, 1307835880), (2, 653917940), (4, 326958970), (5, 261567176), (8, 163479485), (10, 130783588), (13, 100602760), (20, 65391794), (26, 50301380), (40, 32695897), (52, 25150690), (65, 20120552), (73, 17915560), (104, 12575345), (130, 10060276), (131, 9983480), (146, 8957780), (260, 5030138), (262, 4991740), (263, 4972760), (292, 4478890), (365, 3583112), (520, 2515069), (524, 2495870), (526, 2486380), (584, 2239445), (655, 1996696), (730, 1791556), (949, 1378120), (1048, 1247935), (1052, 1243190), (1310, 998348), (1315, 994552), (1460, 895778), (1703, 767960), (1898, 689060), (2104, 621595), (2620, 499174), (2630, 497276), (2920, 447889), (3406, 383980), (3419, 382520), (3796, 344530), (4745, 275624), (5240, 249587), (5260, 248638), (6812, 191990), (6838, 191260), (7592, 172265), (8515, 153592), (9490, 137812), (9563, 136760), (10520, 124319), (13624, 95995), (13676, 95630), (17030, 76796), (17095, 76504), (18980, 68906), (19126, 68380), (19199, 68120), (27352, 47815), (34060, 38398), (34190, 38252), (34453, 37960)]