1977918240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{216877}}^1$

素因数の和:216914

約数の個数: 96

約数和(自身を含む): 6558390720

約数和(自身を除く): 4580472480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 3040, 4560, 9120, 216877, 433754, 650631, 867508, 1084385, 1301262, 1735016, 2168770, 2602524, 3253155, 3470032, 4120663, 4337540, 5205048, 6506310, 6940064, 8241326, 8675080, 10410096, 12361989, 13012620, 16482652, 17350160, 20603315, 20820192, 24723978, 26025240, 32965304, 34700320, 41206630, 49447956, 52050480, 61809945, 65930608, 82413260, 98895912, 104100960, 123619890, 131861216, 164826520, 197791824, 247239780, 329653040, 395583648, 494479560, 659306080, 988959120, 1977918240]

約数ペア:

[(1, 1977918240), (2, 988959120), (3, 659306080), (4, 494479560), (5, 395583648), (6, 329653040), (8, 247239780), (10, 197791824), (12, 164826520), (15, 131861216), (16, 123619890), (19, 104100960), (20, 98895912), (24, 82413260), (30, 65930608), (32, 61809945), (38, 52050480), (40, 49447956), (48, 41206630), (57, 34700320), (60, 32965304), (76, 26025240), (80, 24723978), (95, 20820192), (96, 20603315), (114, 17350160), (120, 16482652), (152, 13012620), (160, 12361989), (190, 10410096), (228, 8675080), (240, 8241326), (285, 6940064), (304, 6506310), (380, 5205048), (456, 4337540), (480, 4120663), (570, 3470032), (608, 3253155), (760, 2602524), (912, 2168770), (1140, 1735016), (1520, 1301262), (1824, 1084385), (2280, 867508), (3040, 650631), (4560, 433754), (9120, 216877)]