1223460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{971}}^1$

素因数の和:993

約数の個数: 72

約数和(自身を含む): 4245696

約数和(自身を除く): 3022236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 971, 1260, 1942, 2913, 3884, 4855, 5826, 6797, 8739, 9710, 11652, 13594, 14565, 17478, 19420, 20391, 27188, 29130, 33985, 34956, 40782, 43695, 58260, 61173, 67970, 81564, 87390, 101955, 122346, 135940, 174780, 203910, 244692, 305865, 407820, 611730, 1223460]

約数ペア:

[(1, 1223460), (2, 611730), (3, 407820), (4, 305865), (5, 244692), (6, 203910), (7, 174780), (9, 135940), (10, 122346), (12, 101955), (14, 87390), (15, 81564), (18, 67970), (20, 61173), (21, 58260), (28, 43695), (30, 40782), (35, 34956), (36, 33985), (42, 29130), (45, 27188), (60, 20391), (63, 19420), (70, 17478), (84, 14565), (90, 13594), (105, 11652), (126, 9710), (140, 8739), (180, 6797), (210, 5826), (252, 4855), (315, 3884), (420, 2913), (630, 1942), (971, 1260)]