28655040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1610

約数の個数: 112

約数和(自身を含む): 95829120

約数和(自身を除く): 67174080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1571, 1824, 2280, 3040, 3142, 3648, 4560, 4713, 6080, 6284, 7855, 9120, 9426, 12568, 15710, 18240, 18852, 23565, 25136, 29849, 31420, 37704, 47130, 50272, 59698, 62840, 75408, 89547, 94260, 100544, 119396, 125680, 149245, 150816, 179094, 188520, 238792, 251360, 298490, 301632, 358188, 377040, 447735, 477584, 502720, 596980, 716376, 754080, 895470, 955168, 1193960, 1432752, 1508160, 1790940, 1910336, 2387920, 2865504, 3581880, 4775840, 5731008, 7163760, 9551680, 14327520, 28655040]

約数ペア:

[(1, 28655040), (2, 14327520), (3, 9551680), (4, 7163760), (5, 5731008), (6, 4775840), (8, 3581880), (10, 2865504), (12, 2387920), (15, 1910336), (16, 1790940), (19, 1508160), (20, 1432752), (24, 1193960), (30, 955168), (32, 895470), (38, 754080), (40, 716376), (48, 596980), (57, 502720), (60, 477584), (64, 447735), (76, 377040), (80, 358188), (95, 301632), (96, 298490), (114, 251360), (120, 238792), (152, 188520), (160, 179094), (190, 150816), (192, 149245), (228, 125680), (240, 119396), (285, 100544), (304, 94260), (320, 89547), (380, 75408), (456, 62840), (480, 59698), (570, 50272), (608, 47130), (760, 37704), (912, 31420), (960, 29849), (1140, 25136), (1216, 23565), (1520, 18852), (1571, 18240), (1824, 15710), (2280, 12568), (3040, 9426), (3142, 9120), (3648, 7855), (4560, 6284), (4713, 6080)]