15704480780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 36298123680

約数和(自身を除く): 20593642900

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 157, 190, 290, 313, 314, 380, 551, 580, 626, 628, 785, 841, 1102, 1252, 1565, 1570, 1682, 2204, 2755, 2983, 3130, 3140, 3364, 4205, 4553, 5510, 5947, 5966, 6260, 8410, 9077, 9106, 11020, 11894, 11932, 14915, 15979, 16820, 18154, 18212, 22765, 23788, 29735, 29830, 31958, 36308, 45385, 45530, 49141, 59470, 59660, 63916, 79895, 86507, 90770, 91060, 98282, 118940, 132037, 159790, 172463, 173014, 181540, 196564, 245705, 263233, 264074, 319580, 344926, 346028, 432535, 491410, 526466, 528148, 660185, 689852, 862315, 865070, 933679, 982820, 1052932, 1316165, 1320370, 1425089, 1724630, 1730140, 1867358, 2508703, 2632330, 2640740, 2850178, 3449260, 3734716, 4668395, 5001427, 5017406, 5264660, 5700356, 7125445, 9336790, 10002854, 10034812, 12543515, 14250890, 18673580, 20005708, 25007135, 25087030, 27076691, 28501780, 41327581, 50014270, 50174060, 54153382, 82655162, 100028540, 108306764, 135383455, 165310324, 206637905, 270766910, 413275810, 541533820, 785224039, 826551620, 1570448078, 3140896156, 3926120195, 7852240390, 15704480780]

約数ペア:

[(1, 15704480780), (2, 7852240390), (4, 3926120195), (5, 3140896156), (10, 1570448078), (19, 826551620), (20, 785224039), (29, 541533820), (38, 413275810), (58, 270766910), (76, 206637905), (95, 165310324), (116, 135383455), (145, 108306764), (157, 100028540), (190, 82655162), (290, 54153382), (313, 50174060), (314, 50014270), (380, 41327581), (551, 28501780), (580, 27076691), (626, 25087030), (628, 25007135), (785, 20005708), (841, 18673580), (1102, 14250890), (1252, 12543515), (1565, 10034812), (1570, 10002854), (1682, 9336790), (2204, 7125445), (2755, 5700356), (2983, 5264660), (3130, 5017406), (3140, 5001427), (3364, 4668395), (4205, 3734716), (4553, 3449260), (5510, 2850178), (5947, 2640740), (5966, 2632330), (6260, 2508703), (8410, 1867358), (9077, 1730140), (9106, 1724630), (11020, 1425089), (11894, 1320370), (11932, 1316165), (14915, 1052932), (15979, 982820), (16820, 933679), (18154, 865070), (18212, 862315), (22765, 689852), (23788, 660185), (29735, 528148), (29830, 526466), (31958, 491410), (36308, 432535), (45385, 346028), (45530, 344926), (49141, 319580), (59470, 264074), (59660, 263233), (63916, 245705), (79895, 196564), (86507, 181540), (90770, 173014), (91060, 172463), (98282, 159790), (118940, 132037)]