1440780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 4596480

約数和(自身を除く): 3155700

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 59, 60, 66, 74, 110, 111, 118, 132, 148, 165, 177, 185, 220, 222, 236, 295, 330, 354, 370, 407, 444, 555, 590, 649, 660, 708, 740, 814, 885, 1110, 1180, 1221, 1298, 1628, 1770, 1947, 2035, 2183, 2220, 2442, 2596, 3245, 3540, 3894, 4070, 4366, 4884, 6105, 6490, 6549, 7788, 8140, 8732, 9735, 10915, 12210, 12980, 13098, 19470, 21830, 24013, 24420, 26196, 32745, 38940, 43660, 48026, 65490, 72039, 96052, 120065, 130980, 144078, 240130, 288156, 360195, 480260, 720390, 1440780]

約数ペア:

[(1, 1440780), (2, 720390), (3, 480260), (4, 360195), (5, 288156), (6, 240130), (10, 144078), (11, 130980), (12, 120065), (15, 96052), (20, 72039), (22, 65490), (30, 48026), (33, 43660), (37, 38940), (44, 32745), (55, 26196), (59, 24420), (60, 24013), (66, 21830), (74, 19470), (110, 13098), (111, 12980), (118, 12210), (132, 10915), (148, 9735), (165, 8732), (177, 8140), (185, 7788), (220, 6549), (222, 6490), (236, 6105), (295, 4884), (330, 4366), (354, 4070), (370, 3894), (407, 3540), (444, 3245), (555, 2596), (590, 2442), (649, 2220), (660, 2183), (708, 2035), (740, 1947), (814, 1770), (885, 1628), (1110, 1298), (1180, 1221)]