123440940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{313}}^2$

素因数の和:648

約数の個数: 108

約数和(自身を含む): 429300144

約数和(自身を除く): 305859204

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, 313, 315, 420, 626, 630, 939, 1252, 1260, 1565, 1878, 2191, 2817, 3130, 3756, 4382, 4695, 5634, 6260, 6573, 8764, 9390, 10955, 11268, 13146, 14085, 18780, 19719, 21910, 26292, 28170, 32865, 39438, 43820, 56340, 65730, 78876, 97969, 98595, 131460, 195938, 197190, 293907, 391876, 394380, 489845, 587814, 685783, 881721, 979690, 1175628, 1371566, 1469535, 1763442, 1959380, 2057349, 2743132, 2939070, 3428915, 3526884, 4114698, 4408605, 5878140, 6172047, 6857830, 8229396, 8817210, 10286745, 12344094, 13715660, 17634420, 20573490, 24688188, 30860235, 41146980, 61720470, 123440940]

約数ペア:

[(1, 123440940), (2, 61720470), (3, 41146980), (4, 30860235), (5, 24688188), (6, 20573490), (7, 17634420), (9, 13715660), (10, 12344094), (12, 10286745), (14, 8817210), (15, 8229396), (18, 6857830), (20, 6172047), (21, 5878140), (28, 4408605), (30, 4114698), (35, 3526884), (36, 3428915), (42, 2939070), (45, 2743132), (60, 2057349), (63, 1959380), (70, 1763442), (84, 1469535), (90, 1371566), (105, 1175628), (126, 979690), (140, 881721), (180, 685783), (210, 587814), (252, 489845), (313, 394380), (315, 391876), (420, 293907), (626, 197190), (630, 195938), (939, 131460), (1252, 98595), (1260, 97969), (1565, 78876), (1878, 65730), (2191, 56340), (2817, 43820), (3130, 39438), (3756, 32865), (4382, 28170), (4695, 26292), (5634, 21910), (6260, 19719), (6573, 18780), (8764, 14085), (9390, 13146), (10955, 11268)]