255443580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{202733}}^1$

素因数の和:202755

約数の個数: 72

約数和(自身を含む): 885542112

約数和(自身を除く): 630098532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 202733, 405466, 608199, 810932, 1013665, 1216398, 1419131, 1824597, 2027330, 2432796, 2838262, 3040995, 3649194, 4054660, 4257393, 5676524, 6081990, 7095655, 7298388, 8514786, 9122985, 12163980, 12772179, 14191310, 17029572, 18245970, 21286965, 25544358, 28382620, 36491940, 42573930, 51088716, 63860895, 85147860, 127721790, 255443580]

約数ペア:

[(1, 255443580), (2, 127721790), (3, 85147860), (4, 63860895), (5, 51088716), (6, 42573930), (7, 36491940), (9, 28382620), (10, 25544358), (12, 21286965), (14, 18245970), (15, 17029572), (18, 14191310), (20, 12772179), (21, 12163980), (28, 9122985), (30, 8514786), (35, 7298388), (36, 7095655), (42, 6081990), (45, 5676524), (60, 4257393), (63, 4054660), (70, 3649194), (84, 3040995), (90, 2838262), (105, 2432796), (126, 2027330), (140, 1824597), (180, 1419131), (210, 1216398), (252, 1013665), (315, 810932), (420, 608199), (630, 405466), (1260, 202733)]