15661890

素因数分解:

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

素因数の和:149

約数の個数: 128

約数和(自身を含む): 45619200

約数和(自身を除く): 29957310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 43, 45, 54, 57, 71, 86, 90, 95, 114, 129, 135, 142, 171, 190, 213, 215, 258, 270, 285, 342, 355, 387, 426, 430, 513, 570, 639, 645, 710, 774, 817, 855, 1026, 1065, 1161, 1278, 1290, 1349, 1634, 1710, 1917, 1935, 2130, 2322, 2451, 2565, 2698, 3053, 3195, 3834, 3870, 4047, 4085, 4902, 5130, 5805, 6106, 6390, 6745, 7353, 8094, 8170, 9159, 9585, 11610, 12141, 12255, 13490, 14706, 15265, 18318, 19170, 20235, 22059, 24282, 24510, 27477, 30530, 36423, 36765, 40470, 44118, 45795, 54954, 58007, 60705, 72846, 73530, 82431, 91590, 110295, 116014, 121410, 137385, 164862, 174021, 182115, 220590, 274770, 290035, 348042, 364230, 412155, 522063, 580070, 824310, 870105, 1044126, 1566189, 1740210, 2610315, 3132378, 5220630, 7830945, 15661890]

約数ペア:

[(1, 15661890), (2, 7830945), (3, 5220630), (5, 3132378), (6, 2610315), (9, 1740210), (10, 1566189), (15, 1044126), (18, 870105), (19, 824310), (27, 580070), (30, 522063), (38, 412155), (43, 364230), (45, 348042), (54, 290035), (57, 274770), (71, 220590), (86, 182115), (90, 174021), (95, 164862), (114, 137385), (129, 121410), (135, 116014), (142, 110295), (171, 91590), (190, 82431), (213, 73530), (215, 72846), (258, 60705), (270, 58007), (285, 54954), (342, 45795), (355, 44118), (387, 40470), (426, 36765), (430, 36423), (513, 30530), (570, 27477), (639, 24510), (645, 24282), (710, 22059), (774, 20235), (817, 19170), (855, 18318), (1026, 15265), (1065, 14706), (1161, 13490), (1278, 12255), (1290, 12141), (1349, 11610), (1634, 9585), (1710, 9159), (1917, 8170), (1935, 8094), (2130, 7353), (2322, 6745), (2451, 6390), (2565, 6106), (2698, 5805), (3053, 5130), (3195, 4902), (3834, 4085), (3870, 4047)]