1555470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{823}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 4746240

約数和(自身を除く): 3190770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 823, 945, 1646, 1890, 2469, 4115, 4938, 5761, 7407, 8230, 11522, 12345, 14814, 17283, 22221, 24690, 28805, 34566, 37035, 44442, 51849, 57610, 74070, 86415, 103698, 111105, 155547, 172830, 222210, 259245, 311094, 518490, 777735, 1555470]

約数ペア:

[(1, 1555470), (2, 777735), (3, 518490), (5, 311094), (6, 259245), (7, 222210), (9, 172830), (10, 155547), (14, 111105), (15, 103698), (18, 86415), (21, 74070), (27, 57610), (30, 51849), (35, 44442), (42, 37035), (45, 34566), (54, 28805), (63, 24690), (70, 22221), (90, 17283), (105, 14814), (126, 12345), (135, 11522), (189, 8230), (210, 7407), (270, 5761), (315, 4938), (378, 4115), (630, 2469), (823, 1890), (945, 1646)]