20181284700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{8431}}^1$

素因数の和:8628

約数の個数: 144

約数和(自身を含む): 59722844160

約数和(自身を除く): 39541559460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 101, 150, 158, 202, 237, 300, 303, 316, 395, 404, 474, 505, 606, 790, 948, 1010, 1185, 1212, 1515, 1580, 1975, 2020, 2370, 2525, 3030, 3950, 4740, 5050, 5925, 6060, 7575, 7900, 7979, 8431, 10100, 11850, 15150, 15958, 16862, 23700, 23937, 25293, 30300, 31916, 33724, 39895, 42155, 47874, 50586, 79790, 84310, 95748, 101172, 119685, 126465, 159580, 168620, 199475, 210775, 239370, 252930, 398950, 421550, 478740, 505860, 598425, 632325, 666049, 797900, 843100, 851531, 1196850, 1264650, 1332098, 1703062, 1998147, 2393700, 2529300, 2554593, 2664196, 3330245, 3406124, 3996294, 4257655, 5109186, 6660490, 7992588, 8515310, 9990735, 10218372, 12772965, 13320980, 16651225, 17030620, 19981470, 21288275, 25545930, 33302450, 39962940, 42576550, 49953675, 51091860, 63864825, 66604900, 67270949, 85153100, 99907350, 127729650, 134541898, 199814700, 201812847, 255459300, 269083796, 336354745, 403625694, 672709490, 807251388, 1009064235, 1345418980, 1681773725, 2018128470, 3363547450, 4036256940, 5045321175, 6727094900, 10090642350, 20181284700]

約数ペア:

[(1, 20181284700), (2, 10090642350), (3, 6727094900), (4, 5045321175), (5, 4036256940), (6, 3363547450), (10, 2018128470), (12, 1681773725), (15, 1345418980), (20, 1009064235), (25, 807251388), (30, 672709490), (50, 403625694), (60, 336354745), (75, 269083796), (79, 255459300), (100, 201812847), (101, 199814700), (150, 134541898), (158, 127729650), (202, 99907350), (237, 85153100), (300, 67270949), (303, 66604900), (316, 63864825), (395, 51091860), (404, 49953675), (474, 42576550), (505, 39962940), (606, 33302450), (790, 25545930), (948, 21288275), (1010, 19981470), (1185, 17030620), (1212, 16651225), (1515, 13320980), (1580, 12772965), (1975, 10218372), (2020, 9990735), (2370, 8515310), (2525, 7992588), (3030, 6660490), (3950, 5109186), (4740, 4257655), (5050, 3996294), (5925, 3406124), (6060, 3330245), (7575, 2664196), (7900, 2554593), (7979, 2529300), (8431, 2393700), (10100, 1998147), (11850, 1703062), (15150, 1332098), (15958, 1264650), (16862, 1196850), (23700, 851531), (23937, 843100), (25293, 797900), (30300, 666049), (31916, 632325), (33724, 598425), (39895, 505860), (42155, 478740), (47874, 421550), (50586, 398950), (79790, 252930), (84310, 239370), (95748, 210775), (101172, 199475), (119685, 168620), (126465, 159580)]