1721550420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{15451}}^1$

素因数の和:16085

約数の個数: 72

約数和(自身を含む): 5230811040

約数和(自身を除く): 3509260620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 1238, 1857, 2476, 3095, 3714, 5571, 6190, 7428, 9285, 11142, 12380, 15451, 18570, 22284, 27855, 30902, 37140, 46353, 55710, 61804, 77255, 92706, 111420, 139059, 154510, 185412, 231765, 278118, 309020, 463530, 556236, 695295, 927060, 1390590, 2781180, 9564169, 19128338, 28692507, 38256676, 47820845, 57385014, 86077521, 95641690, 114770028, 143462535, 172155042, 191283380, 286925070, 344310084, 430387605, 573850140, 860775210, 1721550420]

約数ペア:

[(1, 1721550420), (2, 860775210), (3, 573850140), (4, 430387605), (5, 344310084), (6, 286925070), (9, 191283380), (10, 172155042), (12, 143462535), (15, 114770028), (18, 95641690), (20, 86077521), (30, 57385014), (36, 47820845), (45, 38256676), (60, 28692507), (90, 19128338), (180, 9564169), (619, 2781180), (1238, 1390590), (1857, 927060), (2476, 695295), (3095, 556236), (3714, 463530), (5571, 309020), (6190, 278118), (7428, 231765), (9285, 185412), (11142, 154510), (12380, 139059), (15451, 111420), (18570, 92706), (22284, 77255), (27855, 61804), (30902, 55710), (37140, 46353)]