64429380

素因数分解:

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

素因数の和:18873

約数の個数: 72

約数和(自身を含む): 205732800

約数和(自身を除く): 141303420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 18839, 37678, 56517, 75356, 94195, 113034, 169551, 188390, 226068, 282585, 339102, 357941, 376780, 565170, 678204, 715882, 847755, 1073823, 1130340, 1431764, 1695510, 1789705, 2147646, 3221469, 3391020, 3579410, 4295292, 5369115, 6442938, 7158820, 10738230, 12885876, 16107345, 21476460, 32214690, 64429380]

約数ペア:

[(1, 64429380), (2, 32214690), (3, 21476460), (4, 16107345), (5, 12885876), (6, 10738230), (9, 7158820), (10, 6442938), (12, 5369115), (15, 4295292), (18, 3579410), (19, 3391020), (20, 3221469), (30, 2147646), (36, 1789705), (38, 1695510), (45, 1431764), (57, 1130340), (60, 1073823), (76, 847755), (90, 715882), (95, 678204), (114, 565170), (171, 376780), (180, 357941), (190, 339102), (228, 282585), (285, 226068), (342, 188390), (380, 169551), (570, 113034), (684, 94195), (855, 75356), (1140, 56517), (1710, 37678), (3420, 18839)]