77841180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 246486240

約数和(自身を除く): 168645060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 89, 90, 113, 129, 172, 178, 180, 215, 226, 258, 267, 339, 356, 387, 430, 445, 452, 516, 534, 565, 645, 678, 774, 801, 860, 890, 1017, 1068, 1130, 1290, 1335, 1356, 1548, 1602, 1695, 1780, 1935, 2034, 2260, 2580, 2670, 3204, 3390, 3827, 3870, 4005, 4068, 4859, 5085, 5340, 6780, 7654, 7740, 8010, 9718, 10057, 10170, 11481, 14577, 15308, 16020, 19135, 19436, 20114, 20340, 22962, 24295, 29154, 30171, 34443, 38270, 40228, 43731, 45924, 48590, 50285, 57405, 58308, 60342, 68886, 72885, 76540, 87462, 90513, 97180, 100570, 114810, 120684, 137772, 145770, 150855, 172215, 174924, 181026, 201140, 218655, 229620, 291540, 301710, 344430, 362052, 432451, 437310, 452565, 603420, 688860, 864902, 874620, 905130, 1297353, 1729804, 1810260, 2162255, 2594706, 3892059, 4324510, 5189412, 6486765, 7784118, 8649020, 12973530, 15568236, 19460295, 25947060, 38920590, 77841180]

約数ペア:

[(1, 77841180), (2, 38920590), (3, 25947060), (4, 19460295), (5, 15568236), (6, 12973530), (9, 8649020), (10, 7784118), (12, 6486765), (15, 5189412), (18, 4324510), (20, 3892059), (30, 2594706), (36, 2162255), (43, 1810260), (45, 1729804), (60, 1297353), (86, 905130), (89, 874620), (90, 864902), (113, 688860), (129, 603420), (172, 452565), (178, 437310), (180, 432451), (215, 362052), (226, 344430), (258, 301710), (267, 291540), (339, 229620), (356, 218655), (387, 201140), (430, 181026), (445, 174924), (452, 172215), (516, 150855), (534, 145770), (565, 137772), (645, 120684), (678, 114810), (774, 100570), (801, 97180), (860, 90513), (890, 87462), (1017, 76540), (1068, 72885), (1130, 68886), (1290, 60342), (1335, 58308), (1356, 57405), (1548, 50285), (1602, 48590), (1695, 45924), (1780, 43731), (1935, 40228), (2034, 38270), (2260, 34443), (2580, 30171), (2670, 29154), (3204, 24295), (3390, 22962), (3827, 20340), (3870, 20114), (4005, 19436), (4068, 19135), (4859, 16020), (5085, 15308), (5340, 14577), (6780, 11481), (7654, 10170), (7740, 10057), (8010, 9718)]