80499960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3962

約数の個数: 128

約数和(自身を含む): 282528000

約数和(自身を除く): 202028040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 3923, 4104, 5130, 6840, 7846, 10260, 11769, 15692, 19615, 20520, 23538, 31384, 35307, 39230, 47076, 58845, 70614, 74537, 78460, 94152, 105921, 117690, 141228, 149074, 156920, 176535, 211842, 223611, 235380, 282456, 298148, 353070, 372685, 423684, 447222, 470760, 529605, 596296, 670833, 706140, 745370, 847368, 894444, 1059210, 1118055, 1341666, 1412280, 1490740, 1788888, 2012499, 2118420, 2236110, 2683332, 2981480, 3354165, 4024998, 4236840, 4472220, 5366664, 6708330, 8049996, 8944440, 10062495, 13416660, 16099992, 20124990, 26833320, 40249980, 80499960]

約数ペア:

[(1, 80499960), (2, 40249980), (3, 26833320), (4, 20124990), (5, 16099992), (6, 13416660), (8, 10062495), (9, 8944440), (10, 8049996), (12, 6708330), (15, 5366664), (18, 4472220), (19, 4236840), (20, 4024998), (24, 3354165), (27, 2981480), (30, 2683332), (36, 2236110), (38, 2118420), (40, 2012499), (45, 1788888), (54, 1490740), (57, 1412280), (60, 1341666), (72, 1118055), (76, 1059210), (90, 894444), (95, 847368), (108, 745370), (114, 706140), (120, 670833), (135, 596296), (152, 529605), (171, 470760), (180, 447222), (190, 423684), (216, 372685), (228, 353070), (270, 298148), (285, 282456), (342, 235380), (360, 223611), (380, 211842), (456, 176535), (513, 156920), (540, 149074), (570, 141228), (684, 117690), (760, 105921), (855, 94152), (1026, 78460), (1080, 74537), (1140, 70614), (1368, 58845), (1710, 47076), (2052, 39230), (2280, 35307), (2565, 31384), (3420, 23538), (3923, 20520), (4104, 19615), (5130, 15692), (6840, 11769), (7846, 10260)]