131228820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38371}}^1$

素因数の和:38405

約数の個数: 72

約数和(自身を含む): 419022240

約数和(自身を除く): 287793420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 38371, 76742, 115113, 153484, 191855, 230226, 345339, 383710, 460452, 575565, 690678, 729049, 767420, 1151130, 1381356, 1458098, 1726695, 2187147, 2302260, 2916196, 3453390, 3645245, 4374294, 6561441, 6906780, 7290490, 8748588, 10935735, 13122882, 14580980, 21871470, 26245764, 32807205, 43742940, 65614410, 131228820]

約数ペア:

[(1, 131228820), (2, 65614410), (3, 43742940), (4, 32807205), (5, 26245764), (6, 21871470), (9, 14580980), (10, 13122882), (12, 10935735), (15, 8748588), (18, 7290490), (19, 6906780), (20, 6561441), (30, 4374294), (36, 3645245), (38, 3453390), (45, 2916196), (57, 2302260), (60, 2187147), (76, 1726695), (90, 1458098), (95, 1381356), (114, 1151130), (171, 767420), (180, 729049), (190, 690678), (228, 575565), (285, 460452), (342, 383710), (380, 345339), (570, 230226), (684, 191855), (855, 153484), (1140, 115113), (1710, 76742), (3420, 38371)]