31323780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 106444800

約数和(自身を除く): 75121020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 43, 45, 54, 57, 60, 71, 76, 86, 90, 95, 108, 114, 129, 135, 142, 171, 172, 180, 190, 213, 215, 228, 258, 270, 284, 285, 342, 355, 380, 387, 426, 430, 513, 516, 540, 570, 639, 645, 684, 710, 774, 817, 852, 855, 860, 1026, 1065, 1140, 1161, 1278, 1290, 1349, 1420, 1548, 1634, 1710, 1917, 1935, 2052, 2130, 2322, 2451, 2556, 2565, 2580, 2698, 3053, 3195, 3268, 3420, 3834, 3870, 4047, 4085, 4260, 4644, 4902, 5130, 5396, 5805, 6106, 6390, 6745, 7353, 7668, 7740, 8094, 8170, 9159, 9585, 9804, 10260, 11610, 12141, 12212, 12255, 12780, 13490, 14706, 15265, 16188, 16340, 18318, 19170, 20235, 22059, 23220, 24282, 24510, 26980, 27477, 29412, 30530, 36423, 36636, 36765, 38340, 40470, 44118, 45795, 48564, 49020, 54954, 58007, 60705, 61060, 72846, 73530, 80940, 82431, 88236, 91590, 109908, 110295, 116014, 121410, 137385, 145692, 147060, 164862, 174021, 182115, 183180, 220590, 232028, 242820, 274770, 290035, 329724, 348042, 364230, 412155, 441180, 522063, 549540, 580070, 696084, 728460, 824310, 870105, 1044126, 1160140, 1566189, 1648620, 1740210, 2088252, 2610315, 3132378, 3480420, 5220630, 6264756, 7830945, 10441260, 15661890, 31323780]

約数ペア:

[(1, 31323780), (2, 15661890), (3, 10441260), (4, 7830945), (5, 6264756), (6, 5220630), (9, 3480420), (10, 3132378), (12, 2610315), (15, 2088252), (18, 1740210), (19, 1648620), (20, 1566189), (27, 1160140), (30, 1044126), (36, 870105), (38, 824310), (43, 728460), (45, 696084), (54, 580070), (57, 549540), (60, 522063), (71, 441180), (76, 412155), (86, 364230), (90, 348042), (95, 329724), (108, 290035), (114, 274770), (129, 242820), (135, 232028), (142, 220590), (171, 183180), (172, 182115), (180, 174021), (190, 164862), (213, 147060), (215, 145692), (228, 137385), (258, 121410), (270, 116014), (284, 110295), (285, 109908), (342, 91590), (355, 88236), (380, 82431), (387, 80940), (426, 73530), (430, 72846), (513, 61060), (516, 60705), (540, 58007), (570, 54954), (639, 49020), (645, 48564), (684, 45795), (710, 44118), (774, 40470), (817, 38340), (852, 36765), (855, 36636), (860, 36423), (1026, 30530), (1065, 29412), (1140, 27477), (1161, 26980), (1278, 24510), (1290, 24282), (1349, 23220), (1420, 22059), (1548, 20235), (1634, 19170), (1710, 18318), (1917, 16340), (1935, 16188), (2052, 15265), (2130, 14706), (2322, 13490), (2451, 12780), (2556, 12255), (2565, 12212), (2580, 12141), (2698, 11610), (3053, 10260), (3195, 9804), (3268, 9585), (3420, 9159), (3834, 8170), (3870, 8094), (4047, 7740), (4085, 7668), (4260, 7353), (4644, 6745), (4902, 6390), (5130, 6106), (5396, 5805)]