278529570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 816168960

約数和(自身を除く): 537639390

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 191, 198, 270, 297, 330, 382, 491, 495, 573, 594, 955, 982, 990, 1146, 1473, 1485, 1719, 1910, 2101, 2455, 2865, 2946, 2970, 3438, 4202, 4419, 4910, 5157, 5401, 5730, 6303, 7365, 8595, 8838, 10314, 10505, 10802, 12606, 13257, 14730, 16203, 17190, 18909, 21010, 22095, 25785, 26514, 27005, 31515, 32406, 37818, 44190, 48609, 51570, 54010, 56727, 63030, 66285, 81015, 93781, 94545, 97218, 113454, 132570, 145827, 162030, 187562, 189090, 243045, 281343, 283635, 291654, 468905, 486090, 562686, 567270, 729135, 844029, 937810, 1031591, 1406715, 1458270, 1688058, 2063182, 2532087, 2813430, 3094773, 4220145, 5064174, 5157955, 6189546, 8440290, 9284319, 10315910, 12660435, 15473865, 18568638, 25320870, 27852957, 30947730, 46421595, 55705914, 92843190, 139264785, 278529570]

約数ペア:

[(1, 278529570), (2, 139264785), (3, 92843190), (5, 55705914), (6, 46421595), (9, 30947730), (10, 27852957), (11, 25320870), (15, 18568638), (18, 15473865), (22, 12660435), (27, 10315910), (30, 9284319), (33, 8440290), (45, 6189546), (54, 5157955), (55, 5064174), (66, 4220145), (90, 3094773), (99, 2813430), (110, 2532087), (135, 2063182), (165, 1688058), (191, 1458270), (198, 1406715), (270, 1031591), (297, 937810), (330, 844029), (382, 729135), (491, 567270), (495, 562686), (573, 486090), (594, 468905), (955, 291654), (982, 283635), (990, 281343), (1146, 243045), (1473, 189090), (1485, 187562), (1719, 162030), (1910, 145827), (2101, 132570), (2455, 113454), (2865, 97218), (2946, 94545), (2970, 93781), (3438, 81015), (4202, 66285), (4419, 63030), (4910, 56727), (5157, 54010), (5401, 51570), (5730, 48609), (6303, 44190), (7365, 37818), (8595, 32406), (8838, 31515), (10314, 27005), (10505, 26514), (10802, 25785), (12606, 22095), (13257, 21010), (14730, 18909), (16203, 17190)]