1320786900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{77239}}^1$

素因数の和:77278

約数の個数: 108

約数和(自身を含む): 4357880800

約数和(自身を除く): 3037093900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1425, 1710, 1900, 2850, 3420, 4275, 5700, 8550, 17100, 77239, 154478, 231717, 308956, 386195, 463434, 695151, 772390, 926868, 1158585, 1390302, 1467541, 1544780, 1930975, 2317170, 2780604, 2935082, 3475755, 3861950, 4402623, 4634340, 5792925, 5870164, 6951510, 7337705, 7723900, 8805246, 11585850, 13207869, 13903020, 14675410, 17378775, 17610492, 22013115, 23171700, 26415738, 29350820, 34757550, 36688525, 44026230, 52831476, 66039345, 69515100, 73377050, 88052460, 110065575, 132078690, 146754100, 220131150, 264157380, 330196725, 440262300, 660393450, 1320786900]

約数ペア:

[(1, 1320786900), (2, 660393450), (3, 440262300), (4, 330196725), (5, 264157380), (6, 220131150), (9, 146754100), (10, 132078690), (12, 110065575), (15, 88052460), (18, 73377050), (19, 69515100), (20, 66039345), (25, 52831476), (30, 44026230), (36, 36688525), (38, 34757550), (45, 29350820), (50, 26415738), (57, 23171700), (60, 22013115), (75, 17610492), (76, 17378775), (90, 14675410), (95, 13903020), (100, 13207869), (114, 11585850), (150, 8805246), (171, 7723900), (180, 7337705), (190, 6951510), (225, 5870164), (228, 5792925), (285, 4634340), (300, 4402623), (342, 3861950), (380, 3475755), (450, 2935082), (475, 2780604), (570, 2317170), (684, 1930975), (855, 1544780), (900, 1467541), (950, 1390302), (1140, 1158585), (1425, 926868), (1710, 772390), (1900, 695151), (2850, 463434), (3420, 386195), (4275, 308956), (5700, 231717), (8550, 154478), (17100, 77239)]