128858760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18839}}^1$

素因数の和:18875

約数の個数: 96

約数和(自身を含む): 440856000

約数和(自身を除く): 311997240

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, 18839, 37678, 56517, 75356, 94195, 113034, 150712, 169551, 188390, 226068, 282585, 339102, 357941, 376780, 452136, 565170, 678204, 715882, 753560, 847755, 1073823, 1130340, 1356408, 1431764, 1695510, 1789705, 2147646, 2260680, 2863528, 3221469, 3391020, 3579410, 4295292, 5369115, 6442938, 6782040, 7158820, 8590584, 10738230, 12885876, 14317640, 16107345, 21476460, 25771752, 32214690, 42952920, 64429380, 128858760]

約数ペア:

[(1, 128858760), (2, 64429380), (3, 42952920), (4, 32214690), (5, 25771752), (6, 21476460), (8, 16107345), (9, 14317640), (10, 12885876), (12, 10738230), (15, 8590584), (18, 7158820), (19, 6782040), (20, 6442938), (24, 5369115), (30, 4295292), (36, 3579410), (38, 3391020), (40, 3221469), (45, 2863528), (57, 2260680), (60, 2147646), (72, 1789705), (76, 1695510), (90, 1431764), (95, 1356408), (114, 1130340), (120, 1073823), (152, 847755), (171, 753560), (180, 715882), (190, 678204), (228, 565170), (285, 452136), (342, 376780), (360, 357941), (380, 339102), (456, 282585), (570, 226068), (684, 188390), (760, 169551), (855, 150712), (1140, 113034), (1368, 94195), (1710, 75356), (2280, 56517), (3420, 37678), (6840, 18839)]