123289020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1244

約数の個数: 96

約数和(自身を含む): 385627200

約数和(自身を除く): 262338180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 229, 270, 458, 540, 687, 916, 997, 1145, 1374, 1994, 2061, 2290, 2748, 2991, 3435, 3988, 4122, 4580, 4985, 5982, 6183, 6870, 8244, 8973, 9970, 10305, 11964, 12366, 13740, 14955, 17946, 19940, 20610, 24732, 26919, 29910, 30915, 35892, 41220, 44865, 53838, 59820, 61830, 89730, 107676, 123660, 134595, 179460, 228313, 269190, 456626, 538380, 684939, 913252, 1141565, 1369878, 2054817, 2283130, 2739756, 3424695, 4109634, 4566260, 6164451, 6849390, 8219268, 10274085, 12328902, 13698780, 20548170, 24657804, 30822255, 41096340, 61644510, 123289020]

約数ペア:

[(1, 123289020), (2, 61644510), (3, 41096340), (4, 30822255), (5, 24657804), (6, 20548170), (9, 13698780), (10, 12328902), (12, 10274085), (15, 8219268), (18, 6849390), (20, 6164451), (27, 4566260), (30, 4109634), (36, 3424695), (45, 2739756), (54, 2283130), (60, 2054817), (90, 1369878), (108, 1141565), (135, 913252), (180, 684939), (229, 538380), (270, 456626), (458, 269190), (540, 228313), (687, 179460), (916, 134595), (997, 123660), (1145, 107676), (1374, 89730), (1994, 61830), (2061, 59820), (2290, 53838), (2748, 44865), (2991, 41220), (3435, 35892), (3988, 30915), (4122, 29910), (4580, 26919), (4985, 24732), (5982, 20610), (6183, 19940), (6870, 17946), (8244, 14955), (8973, 13740), (9970, 12366), (10305, 11964)]