123870420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 394168320

約数和(自身を除く): 270297900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 79, 90, 93, 124, 155, 158, 180, 186, 237, 279, 281, 310, 316, 372, 395, 465, 474, 558, 562, 620, 711, 790, 843, 930, 948, 1116, 1124, 1185, 1395, 1405, 1422, 1580, 1686, 1860, 2370, 2449, 2529, 2790, 2810, 2844, 3372, 3555, 4215, 4740, 4898, 5058, 5580, 5620, 7110, 7347, 8430, 8711, 9796, 10116, 12245, 12645, 14220, 14694, 16860, 17422, 22041, 22199, 24490, 25290, 26133, 29388, 34844, 36735, 43555, 44082, 44398, 48980, 50580, 52266, 66597, 73470, 78399, 87110, 88164, 88796, 104532, 110205, 110995, 130665, 133194, 146940, 156798, 174220, 199791, 220410, 221990, 261330, 266388, 313596, 332985, 391995, 399582, 440820, 443980, 522660, 665970, 688169, 783990, 799164, 998955, 1331940, 1376338, 1567980, 1997910, 2064507, 2752676, 3440845, 3995820, 4129014, 6193521, 6881690, 8258028, 10322535, 12387042, 13763380, 20645070, 24774084, 30967605, 41290140, 61935210, 123870420]

約数ペア:

[(1, 123870420), (2, 61935210), (3, 41290140), (4, 30967605), (5, 24774084), (6, 20645070), (9, 13763380), (10, 12387042), (12, 10322535), (15, 8258028), (18, 6881690), (20, 6193521), (30, 4129014), (31, 3995820), (36, 3440845), (45, 2752676), (60, 2064507), (62, 1997910), (79, 1567980), (90, 1376338), (93, 1331940), (124, 998955), (155, 799164), (158, 783990), (180, 688169), (186, 665970), (237, 522660), (279, 443980), (281, 440820), (310, 399582), (316, 391995), (372, 332985), (395, 313596), (465, 266388), (474, 261330), (558, 221990), (562, 220410), (620, 199791), (711, 174220), (790, 156798), (843, 146940), (930, 133194), (948, 130665), (1116, 110995), (1124, 110205), (1185, 104532), (1395, 88796), (1405, 88164), (1422, 87110), (1580, 78399), (1686, 73470), (1860, 66597), (2370, 52266), (2449, 50580), (2529, 48980), (2790, 44398), (2810, 44082), (2844, 43555), (3372, 36735), (3555, 34844), (4215, 29388), (4740, 26133), (4898, 25290), (5058, 24490), (5580, 22199), (5620, 22041), (7110, 17422), (7347, 16860), (8430, 14694), (8711, 14220), (9796, 12645), (10116, 12245)]