256976460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109819}}^1$

素因数の和:109847

約数の個数: 72

約数和(自身を含む): 839464080

約数和(自身を除く): 582487620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 109819, 219638, 329457, 439276, 549095, 658914, 988371, 1098190, 1317828, 1427647, 1647285, 1976742, 2196380, 2855294, 3294570, 3953484, 4282941, 4941855, 5710588, 6589140, 7138235, 8565882, 9883710, 12848823, 14276470, 17131764, 19767420, 21414705, 25697646, 28552940, 42829410, 51395292, 64244115, 85658820, 128488230, 256976460]

約数ペア:

[(1, 256976460), (2, 128488230), (3, 85658820), (4, 64244115), (5, 51395292), (6, 42829410), (9, 28552940), (10, 25697646), (12, 21414705), (13, 19767420), (15, 17131764), (18, 14276470), (20, 12848823), (26, 9883710), (30, 8565882), (36, 7138235), (39, 6589140), (45, 5710588), (52, 4941855), (60, 4282941), (65, 3953484), (78, 3294570), (90, 2855294), (117, 2196380), (130, 1976742), (156, 1647285), (180, 1427647), (195, 1317828), (234, 1098190), (260, 988371), (390, 658914), (468, 549095), (585, 439276), (780, 329457), (1170, 219638), (2340, 109819)]