1461321460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 3223503360

約数和(自身を除く): 1762181900

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 137, 157, 158, 172, 215, 274, 314, 316, 395, 430, 548, 628, 685, 785, 790, 860, 1370, 1570, 1580, 2740, 3140, 3397, 5891, 6751, 6794, 10823, 11782, 12403, 13502, 13588, 16985, 21509, 21646, 23564, 24806, 27004, 29455, 33755, 33970, 43018, 43292, 49612, 54115, 58910, 62015, 67510, 67940, 86036, 107545, 108230, 117820, 124030, 135020, 215090, 216460, 248060, 430180, 465389, 533329, 924887, 930778, 1066658, 1699211, 1849774, 1861556, 2133316, 2326945, 2666645, 3398422, 3699548, 4624435, 4653890, 5333290, 6796844, 8496055, 9248870, 9307780, 10666580, 16992110, 18497740, 33984220, 73066073, 146132146, 292264292, 365330365, 730660730, 1461321460]

約数ペア:

[(1, 1461321460), (2, 730660730), (4, 365330365), (5, 292264292), (10, 146132146), (20, 73066073), (43, 33984220), (79, 18497740), (86, 16992110), (137, 10666580), (157, 9307780), (158, 9248870), (172, 8496055), (215, 6796844), (274, 5333290), (314, 4653890), (316, 4624435), (395, 3699548), (430, 3398422), (548, 2666645), (628, 2326945), (685, 2133316), (785, 1861556), (790, 1849774), (860, 1699211), (1370, 1066658), (1570, 930778), (1580, 924887), (2740, 533329), (3140, 465389), (3397, 430180), (5891, 248060), (6751, 216460), (6794, 215090), (10823, 135020), (11782, 124030), (12403, 117820), (13502, 108230), (13588, 107545), (16985, 86036), (21509, 67940), (21646, 67510), (23564, 62015), (24806, 58910), (27004, 54115), (29455, 49612), (33755, 43292), (33970, 43018)]