1222830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{647}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 3732480

約数和(自身を除く): 2509650

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, 647, 945, 1294, 1890, 1941, 3235, 3882, 4529, 5823, 6470, 9058, 9705, 11646, 13587, 17469, 19410, 22645, 27174, 29115, 34938, 40761, 45290, 58230, 67935, 81522, 87345, 122283, 135870, 174690, 203805, 244566, 407610, 611415, 1222830]

約数ペア:

[(1, 1222830), (2, 611415), (3, 407610), (5, 244566), (6, 203805), (7, 174690), (9, 135870), (10, 122283), (14, 87345), (15, 81522), (18, 67935), (21, 58230), (27, 45290), (30, 40761), (35, 34938), (42, 29115), (45, 27174), (54, 22645), (63, 19410), (70, 17469), (90, 13587), (105, 11646), (126, 9705), (135, 9058), (189, 6470), (210, 5823), (270, 4529), (315, 3882), (378, 3235), (630, 1941), (647, 1890), (945, 1294)]