20121300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:382

約数の個数: 108

約数和(自身を含む): 64093120

約数和(自身を除く): 43971820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 79, 90, 100, 150, 158, 180, 225, 237, 283, 300, 316, 395, 450, 474, 566, 711, 790, 849, 900, 948, 1132, 1185, 1415, 1422, 1580, 1698, 1975, 2370, 2547, 2830, 2844, 3396, 3555, 3950, 4245, 4740, 5094, 5660, 5925, 7075, 7110, 7900, 8490, 10188, 11850, 12735, 14150, 14220, 16980, 17775, 21225, 22357, 23700, 25470, 28300, 35550, 42450, 44714, 50940, 63675, 67071, 71100, 84900, 89428, 111785, 127350, 134142, 201213, 223570, 254700, 268284, 335355, 402426, 447140, 558925, 670710, 804852, 1006065, 1117850, 1341420, 1676775, 2012130, 2235700, 3353550, 4024260, 5030325, 6707100, 10060650, 20121300]

約数ペア:

[(1, 20121300), (2, 10060650), (3, 6707100), (4, 5030325), (5, 4024260), (6, 3353550), (9, 2235700), (10, 2012130), (12, 1676775), (15, 1341420), (18, 1117850), (20, 1006065), (25, 804852), (30, 670710), (36, 558925), (45, 447140), (50, 402426), (60, 335355), (75, 268284), (79, 254700), (90, 223570), (100, 201213), (150, 134142), (158, 127350), (180, 111785), (225, 89428), (237, 84900), (283, 71100), (300, 67071), (316, 63675), (395, 50940), (450, 44714), (474, 42450), (566, 35550), (711, 28300), (790, 25470), (849, 23700), (900, 22357), (948, 21225), (1132, 17775), (1185, 16980), (1415, 14220), (1422, 14150), (1580, 12735), (1698, 11850), (1975, 10188), (2370, 8490), (2547, 7900), (2830, 7110), (2844, 7075), (3396, 5925), (3555, 5660), (3950, 5094), (4245, 4740)]