31688340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 96090624

約数和(自身を除く): 64402284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 47, 51, 60, 68, 85, 94, 102, 141, 170, 188, 204, 235, 255, 282, 340, 470, 510, 564, 661, 705, 799, 940, 1020, 1322, 1410, 1598, 1983, 2397, 2644, 2820, 3196, 3305, 3966, 3995, 4794, 6610, 7932, 7990, 9588, 9915, 11237, 11985, 13220, 15980, 19830, 22474, 23970, 31067, 33711, 39660, 44948, 47940, 56185, 62134, 67422, 93201, 112370, 124268, 134844, 155335, 168555, 186402, 224740, 310670, 337110, 372804, 466005, 528139, 621340, 674220, 932010, 1056278, 1584417, 1864020, 2112556, 2640695, 3168834, 5281390, 6337668, 7922085, 10562780, 15844170, 31688340]

約数ペア:

[(1, 31688340), (2, 15844170), (3, 10562780), (4, 7922085), (5, 6337668), (6, 5281390), (10, 3168834), (12, 2640695), (15, 2112556), (17, 1864020), (20, 1584417), (30, 1056278), (34, 932010), (47, 674220), (51, 621340), (60, 528139), (68, 466005), (85, 372804), (94, 337110), (102, 310670), (141, 224740), (170, 186402), (188, 168555), (204, 155335), (235, 134844), (255, 124268), (282, 112370), (340, 93201), (470, 67422), (510, 62134), (564, 56185), (661, 47940), (705, 44948), (799, 39660), (940, 33711), (1020, 31067), (1322, 23970), (1410, 22474), (1598, 19830), (1983, 15980), (2397, 13220), (2644, 11985), (2820, 11237), (3196, 9915), (3305, 9588), (3966, 7990), (3995, 7932), (4794, 6610)]