128037960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18719}}^1$

素因数の和:18755

約数の個数: 96

約数和(自身を含む): 438048000

約数和(自身を除く): 310010040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 18719, 37438, 56157, 74876, 93595, 112314, 149752, 168471, 187190, 224628, 280785, 336942, 355661, 374380, 449256, 561570, 673884, 711322, 748760, 842355, 1066983, 1123140, 1347768, 1422644, 1684710, 1778305, 2133966, 2246280, 2845288, 3200949, 3369420, 3556610, 4267932, 5334915, 6401898, 6738840, 7113220, 8535864, 10669830, 12803796, 14226440, 16004745, 21339660, 25607592, 32009490, 42679320, 64018980, 128037960]

約数ペア:

[(1, 128037960), (2, 64018980), (3, 42679320), (4, 32009490), (5, 25607592), (6, 21339660), (8, 16004745), (9, 14226440), (10, 12803796), (12, 10669830), (15, 8535864), (18, 7113220), (19, 6738840), (20, 6401898), (24, 5334915), (30, 4267932), (36, 3556610), (38, 3369420), (40, 3200949), (45, 2845288), (57, 2246280), (60, 2133966), (72, 1778305), (76, 1684710), (90, 1422644), (95, 1347768), (114, 1123140), (120, 1066983), (152, 842355), (171, 748760), (180, 711322), (190, 673884), (228, 561570), (285, 449256), (342, 374380), (360, 355661), (380, 336942), (456, 280785), (570, 224628), (684, 187190), (760, 168471), (855, 149752), (1140, 112314), (1368, 93595), (1710, 74876), (2280, 56157), (3420, 37438), (6840, 18719)]