1491012080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{1289}}^1$

素因数の和:2082

約数の個数: 80

約数和(自身を含む): 3656685600

約数和(自身を除く): 2165673520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 761, 1289, 1520, 1522, 2578, 3044, 3805, 5156, 6088, 6445, 7610, 10312, 12176, 12890, 14459, 15220, 20624, 24491, 25780, 28918, 30440, 48982, 51560, 57836, 60880, 72295, 97964, 103120, 115672, 122455, 144590, 195928, 231344, 244910, 289180, 391856, 489820, 578360, 979640, 980929, 1156720, 1959280, 1961858, 3923716, 4904645, 7847432, 9809290, 15694864, 18637651, 19618580, 37275302, 39237160, 74550604, 78474320, 93188255, 149101208, 186376510, 298202416, 372753020, 745506040, 1491012080]

約数ペア:

[(1, 1491012080), (2, 745506040), (4, 372753020), (5, 298202416), (8, 186376510), (10, 149101208), (16, 93188255), (19, 78474320), (20, 74550604), (38, 39237160), (40, 37275302), (76, 19618580), (80, 18637651), (95, 15694864), (152, 9809290), (190, 7847432), (304, 4904645), (380, 3923716), (760, 1961858), (761, 1959280), (1289, 1156720), (1520, 980929), (1522, 979640), (2578, 578360), (3044, 489820), (3805, 391856), (5156, 289180), (6088, 244910), (6445, 231344), (7610, 195928), (10312, 144590), (12176, 122455), (12890, 115672), (14459, 103120), (15220, 97964), (20624, 72295), (24491, 60880), (25780, 57836), (28918, 51560), (30440, 48982)]