206665380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 645974784

約数和(自身を除く): 439309404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 103, 142, 157, 180, 206, 213, 284, 309, 314, 355, 412, 426, 471, 515, 618, 628, 639, 710, 785, 852, 927, 942, 1030, 1065, 1236, 1278, 1413, 1420, 1545, 1570, 1854, 1884, 2060, 2130, 2355, 2556, 2826, 3090, 3140, 3195, 3708, 4260, 4635, 4710, 5652, 6180, 6390, 7065, 7313, 9270, 9420, 11147, 12780, 14130, 14626, 16171, 18540, 21939, 22294, 28260, 29252, 32342, 33441, 36565, 43878, 44588, 48513, 55735, 64684, 65817, 66882, 73130, 80855, 87756, 97026, 100323, 109695, 111470, 131634, 133764, 145539, 146260, 161710, 167205, 194052, 200646, 219390, 222940, 242565, 263268, 291078, 323420, 329085, 334410, 401292, 438780, 485130, 501615, 582156, 658170, 668820, 727695, 970260, 1003230, 1148141, 1316340, 1455390, 2006460, 2296282, 2910780, 3444423, 4592564, 5740705, 6888846, 10333269, 11481410, 13777692, 17222115, 20666538, 22962820, 34444230, 41333076, 51666345, 68888460, 103332690, 206665380]

約数ペア:

[(1, 206665380), (2, 103332690), (3, 68888460), (4, 51666345), (5, 41333076), (6, 34444230), (9, 22962820), (10, 20666538), (12, 17222115), (15, 13777692), (18, 11481410), (20, 10333269), (30, 6888846), (36, 5740705), (45, 4592564), (60, 3444423), (71, 2910780), (90, 2296282), (103, 2006460), (142, 1455390), (157, 1316340), (180, 1148141), (206, 1003230), (213, 970260), (284, 727695), (309, 668820), (314, 658170), (355, 582156), (412, 501615), (426, 485130), (471, 438780), (515, 401292), (618, 334410), (628, 329085), (639, 323420), (710, 291078), (785, 263268), (852, 242565), (927, 222940), (942, 219390), (1030, 200646), (1065, 194052), (1236, 167205), (1278, 161710), (1413, 146260), (1420, 145539), (1545, 133764), (1570, 131634), (1854, 111470), (1884, 109695), (2060, 100323), (2130, 97026), (2355, 87756), (2556, 80855), (2826, 73130), (3090, 66882), (3140, 65817), (3195, 64684), (3708, 55735), (4260, 48513), (4635, 44588), (4710, 43878), (5652, 36565), (6180, 33441), (6390, 32342), (7065, 29252), (7313, 28260), (9270, 22294), (9420, 21939), (11147, 18540), (12780, 16171), (14130, 14626)]