7881900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 25665024

約数和(自身を除く): 17783124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 43, 47, 50, 52, 60, 65, 75, 78, 86, 94, 100, 129, 130, 141, 150, 156, 172, 188, 195, 215, 235, 258, 260, 282, 300, 325, 390, 430, 470, 516, 559, 564, 611, 645, 650, 705, 780, 860, 940, 975, 1075, 1118, 1175, 1222, 1290, 1300, 1410, 1677, 1833, 1950, 2021, 2150, 2236, 2350, 2444, 2580, 2795, 2820, 3055, 3225, 3354, 3525, 3666, 3900, 4042, 4300, 4700, 5590, 6063, 6110, 6450, 6708, 7050, 7332, 8084, 8385, 9165, 10105, 11180, 12126, 12220, 12900, 13975, 14100, 15275, 16770, 18330, 20210, 24252, 26273, 27950, 30315, 30550, 33540, 36660, 40420, 41925, 45825, 50525, 52546, 55900, 60630, 61100, 78819, 83850, 91650, 101050, 105092, 121260, 131365, 151575, 157638, 167700, 183300, 202100, 262730, 303150, 315276, 394095, 525460, 606300, 656825, 788190, 1313650, 1576380, 1970475, 2627300, 3940950, 7881900]

約数ペア:

[(1, 7881900), (2, 3940950), (3, 2627300), (4, 1970475), (5, 1576380), (6, 1313650), (10, 788190), (12, 656825), (13, 606300), (15, 525460), (20, 394095), (25, 315276), (26, 303150), (30, 262730), (39, 202100), (43, 183300), (47, 167700), (50, 157638), (52, 151575), (60, 131365), (65, 121260), (75, 105092), (78, 101050), (86, 91650), (94, 83850), (100, 78819), (129, 61100), (130, 60630), (141, 55900), (150, 52546), (156, 50525), (172, 45825), (188, 41925), (195, 40420), (215, 36660), (235, 33540), (258, 30550), (260, 30315), (282, 27950), (300, 26273), (325, 24252), (390, 20210), (430, 18330), (470, 16770), (516, 15275), (559, 14100), (564, 13975), (611, 12900), (645, 12220), (650, 12126), (705, 11180), (780, 10105), (860, 9165), (940, 8385), (975, 8084), (1075, 7332), (1118, 7050), (1175, 6708), (1222, 6450), (1290, 6110), (1300, 6063), (1410, 5590), (1677, 4700), (1833, 4300), (1950, 4042), (2021, 3900), (2150, 3666), (2236, 3525), (2350, 3354), (2444, 3225), (2580, 3055), (2795, 2820)]