128668215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 233735040

約数和(自身を除く): 105066825

約数列:

[1, 3, 5, 13, 15, 29, 39, 61, 65, 87, 145, 183, 195, 305, 373, 377, 435, 793, 915, 1119, 1131, 1769, 1865, 1885, 2379, 3965, 4849, 5307, 5595, 5655, 8845, 10817, 11895, 14547, 22753, 22997, 24245, 26535, 32451, 54085, 68259, 68991, 72735, 113765, 114985, 140621, 162255, 295789, 341295, 344955, 421863, 659837, 703105, 887367, 1478945, 1979511, 2109315, 3299185, 4436835, 8577881, 9897555, 25733643, 42889405, 128668215]

約数ペア:

[(1, 128668215), (3, 42889405), (5, 25733643), (13, 9897555), (15, 8577881), (29, 4436835), (39, 3299185), (61, 2109315), (65, 1979511), (87, 1478945), (145, 887367), (183, 703105), (195, 659837), (305, 421863), (373, 344955), (377, 341295), (435, 295789), (793, 162255), (915, 140621), (1119, 114985), (1131, 113765), (1769, 72735), (1865, 68991), (1885, 68259), (2379, 54085), (3965, 32451), (4849, 26535), (5307, 24245), (5595, 22997), (5655, 22753), (8845, 14547), (10817, 11895)]