285637140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 896313600

約数和(自身を除く): 610676460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 79, 90, 106, 158, 159, 180, 212, 237, 265, 316, 318, 379, 395, 474, 477, 530, 636, 711, 758, 790, 795, 948, 954, 1060, 1137, 1185, 1422, 1516, 1580, 1590, 1895, 1908, 2274, 2370, 2385, 2844, 3180, 3411, 3555, 3790, 4187, 4548, 4740, 4770, 5685, 6822, 7110, 7580, 8374, 9540, 11370, 12561, 13644, 14220, 16748, 17055, 20087, 20935, 22740, 25122, 29941, 34110, 37683, 40174, 41870, 50244, 59882, 60261, 62805, 68220, 75366, 80348, 83740, 89823, 100435, 119764, 120522, 125610, 149705, 150732, 179646, 180783, 188415, 200870, 241044, 251220, 269469, 299410, 301305, 359292, 361566, 376830, 401740, 449115, 538938, 598820, 602610, 723132, 753660, 898230, 903915, 1077876, 1205220, 1347345, 1586873, 1796460, 1807830, 2694690, 3173746, 3615660, 4760619, 5389380, 6347492, 7934365, 9521238, 14281857, 15868730, 19042476, 23803095, 28563714, 31737460, 47606190, 57127428, 71409285, 95212380, 142818570, 285637140]

約数ペア:

[(1, 285637140), (2, 142818570), (3, 95212380), (4, 71409285), (5, 57127428), (6, 47606190), (9, 31737460), (10, 28563714), (12, 23803095), (15, 19042476), (18, 15868730), (20, 14281857), (30, 9521238), (36, 7934365), (45, 6347492), (53, 5389380), (60, 4760619), (79, 3615660), (90, 3173746), (106, 2694690), (158, 1807830), (159, 1796460), (180, 1586873), (212, 1347345), (237, 1205220), (265, 1077876), (316, 903915), (318, 898230), (379, 753660), (395, 723132), (474, 602610), (477, 598820), (530, 538938), (636, 449115), (711, 401740), (758, 376830), (790, 361566), (795, 359292), (948, 301305), (954, 299410), (1060, 269469), (1137, 251220), (1185, 241044), (1422, 200870), (1516, 188415), (1580, 180783), (1590, 179646), (1895, 150732), (1908, 149705), (2274, 125610), (2370, 120522), (2385, 119764), (2844, 100435), (3180, 89823), (3411, 83740), (3555, 80348), (3790, 75366), (4187, 68220), (4548, 62805), (4740, 60261), (4770, 59882), (5685, 50244), (6822, 41870), (7110, 40174), (7580, 37683), (8374, 34110), (9540, 29941), (11370, 25122), (12561, 22740), (13644, 20935), (14220, 20087), (16748, 17055)]