1721124120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{14243}}^1$

素因数の和:14329

約数の個数: 128

約数和(自身を含む): 5538067200

約数和(自身を除く): 3816943080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 76, 95, 106, 114, 120, 152, 159, 190, 212, 228, 265, 285, 318, 380, 424, 456, 530, 570, 636, 760, 795, 1007, 1060, 1140, 1272, 1590, 2014, 2120, 2280, 3021, 3180, 4028, 5035, 6042, 6360, 8056, 10070, 12084, 14243, 15105, 20140, 24168, 28486, 30210, 40280, 42729, 56972, 60420, 71215, 85458, 113944, 120840, 142430, 170916, 213645, 270617, 284860, 341832, 427290, 541234, 569720, 754879, 811851, 854580, 1082468, 1353085, 1509758, 1623702, 1709160, 2164936, 2264637, 2706170, 3019516, 3247404, 3774395, 4059255, 4529274, 5412340, 6039032, 6494808, 7548790, 8118510, 9058548, 10824680, 11323185, 14342701, 15097580, 16237020, 18117096, 22646370, 28685402, 30195160, 32474040, 43028103, 45292740, 57370804, 71713505, 86056206, 90585480, 114741608, 143427010, 172112412, 215140515, 286854020, 344224824, 430281030, 573708040, 860562060, 1721124120]

約数ペア:

[(1, 1721124120), (2, 860562060), (3, 573708040), (4, 430281030), (5, 344224824), (6, 286854020), (8, 215140515), (10, 172112412), (12, 143427010), (15, 114741608), (19, 90585480), (20, 86056206), (24, 71713505), (30, 57370804), (38, 45292740), (40, 43028103), (53, 32474040), (57, 30195160), (60, 28685402), (76, 22646370), (95, 18117096), (106, 16237020), (114, 15097580), (120, 14342701), (152, 11323185), (159, 10824680), (190, 9058548), (212, 8118510), (228, 7548790), (265, 6494808), (285, 6039032), (318, 5412340), (380, 4529274), (424, 4059255), (456, 3774395), (530, 3247404), (570, 3019516), (636, 2706170), (760, 2264637), (795, 2164936), (1007, 1709160), (1060, 1623702), (1140, 1509758), (1272, 1353085), (1590, 1082468), (2014, 854580), (2120, 811851), (2280, 754879), (3021, 569720), (3180, 541234), (4028, 427290), (5035, 341832), (6042, 284860), (6360, 270617), (8056, 213645), (10070, 170916), (12084, 142430), (14243, 120840), (15105, 113944), (20140, 85458), (24168, 71215), (28486, 60420), (30210, 56972), (40280, 42729)]