204218520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1181}}^1$

素因数の和:1337

約数の個数: 128

約数和(自身を含む): 674023680

約数和(自身を除く): 469805160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 131, 132, 165, 220, 262, 264, 330, 393, 440, 524, 655, 660, 786, 1048, 1181, 1310, 1320, 1441, 1572, 1965, 2362, 2620, 2882, 3144, 3543, 3930, 4323, 4724, 5240, 5764, 5905, 7086, 7205, 7860, 8646, 9448, 11528, 11810, 12991, 14172, 14410, 15720, 17292, 17715, 21615, 23620, 25982, 28344, 28820, 34584, 35430, 38973, 43230, 47240, 51964, 57640, 64955, 70860, 77946, 86460, 103928, 129910, 141720, 154711, 155892, 172920, 194865, 259820, 309422, 311784, 389730, 464133, 519640, 618844, 773555, 779460, 928266, 1237688, 1547110, 1558920, 1701821, 1856532, 2320665, 3094220, 3403642, 3713064, 4641330, 5105463, 6188440, 6807284, 8509105, 9282660, 10210926, 13614568, 17018210, 18565320, 20421852, 25527315, 34036420, 40843704, 51054630, 68072840, 102109260, 204218520]

約数ペア:

[(1, 204218520), (2, 102109260), (3, 68072840), (4, 51054630), (5, 40843704), (6, 34036420), (8, 25527315), (10, 20421852), (11, 18565320), (12, 17018210), (15, 13614568), (20, 10210926), (22, 9282660), (24, 8509105), (30, 6807284), (33, 6188440), (40, 5105463), (44, 4641330), (55, 3713064), (60, 3403642), (66, 3094220), (88, 2320665), (110, 1856532), (120, 1701821), (131, 1558920), (132, 1547110), (165, 1237688), (220, 928266), (262, 779460), (264, 773555), (330, 618844), (393, 519640), (440, 464133), (524, 389730), (655, 311784), (660, 309422), (786, 259820), (1048, 194865), (1181, 172920), (1310, 155892), (1320, 154711), (1441, 141720), (1572, 129910), (1965, 103928), (2362, 86460), (2620, 77946), (2882, 70860), (3144, 64955), (3543, 57640), (3930, 51964), (4323, 47240), (4724, 43230), (5240, 38973), (5764, 35430), (5905, 34584), (7086, 28820), (7205, 28344), (7860, 25982), (8646, 23620), (9448, 21615), (11528, 17715), (11810, 17292), (12991, 15720), (14172, 14410)]