248340735

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 477417600

約数和(自身を除く): 229076865

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 59, 81, 95, 135, 171, 177, 285, 295, 405, 513, 531, 547, 855, 885, 1121, 1539, 1593, 1641, 2565, 2655, 2735, 3363, 4779, 4923, 5605, 7695, 7965, 8205, 10089, 10393, 14769, 16815, 23895, 24615, 30267, 31179, 32273, 44307, 50445, 51965, 73845, 90801, 93537, 96819, 151335, 155895, 161365, 221535, 280611, 290457, 454005, 467685, 484095, 613187, 841833, 871371, 1403055, 1452285, 1839561, 2614113, 3065935, 4209165, 4356855, 5518683, 9197805, 13070565, 16556049, 27593415, 49668147, 82780245, 248340735]

約数ペア:

[(1, 248340735), (3, 82780245), (5, 49668147), (9, 27593415), (15, 16556049), (19, 13070565), (27, 9197805), (45, 5518683), (57, 4356855), (59, 4209165), (81, 3065935), (95, 2614113), (135, 1839561), (171, 1452285), (177, 1403055), (285, 871371), (295, 841833), (405, 613187), (513, 484095), (531, 467685), (547, 454005), (855, 290457), (885, 280611), (1121, 221535), (1539, 161365), (1593, 155895), (1641, 151335), (2565, 96819), (2655, 93537), (2735, 90801), (3363, 73845), (4779, 51965), (4923, 50445), (5605, 44307), (7695, 32273), (7965, 31179), (8205, 30267), (10089, 24615), (10393, 23895), (14769, 16815)]