921480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1097}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 3162240

約数和(自身を除く): 2240760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1097, 2194, 3291, 4388, 5485, 6582, 7679, 8776, 10970, 13164, 15358, 16455, 21940, 23037, 26328, 30716, 32910, 38395, 43880, 46074, 61432, 65820, 76790, 92148, 115185, 131640, 153580, 184296, 230370, 307160, 460740, 921480]

約数ペア:

[(1, 921480), (2, 460740), (3, 307160), (4, 230370), (5, 184296), (6, 153580), (7, 131640), (8, 115185), (10, 92148), (12, 76790), (14, 65820), (15, 61432), (20, 46074), (21, 43880), (24, 38395), (28, 32910), (30, 30716), (35, 26328), (40, 23037), (42, 21940), (56, 16455), (60, 15358), (70, 13164), (84, 10970), (105, 8776), (120, 7679), (140, 6582), (168, 5485), (210, 4388), (280, 3291), (420, 2194), (840, 1097)]