81552940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 227082240

約数和(自身を除く): 145529300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 31, 35, 38, 43, 46, 62, 70, 76, 86, 92, 95, 115, 124, 133, 140, 155, 161, 172, 190, 215, 217, 230, 266, 301, 310, 322, 380, 430, 434, 437, 460, 532, 589, 602, 620, 644, 665, 713, 805, 817, 860, 868, 874, 989, 1085, 1178, 1204, 1330, 1333, 1426, 1505, 1610, 1634, 1748, 1978, 2170, 2185, 2356, 2660, 2666, 2852, 2945, 3010, 3059, 3220, 3268, 3565, 3956, 4085, 4123, 4340, 4370, 4945, 4991, 5332, 5719, 5890, 6020, 6118, 6665, 6923, 7130, 8170, 8246, 8740, 9331, 9890, 9982, 11438, 11780, 12236, 13330, 13547, 13846, 14260, 15295, 16340, 16492, 18662, 18791, 19780, 19964, 20615, 22876, 24955, 25327, 26660, 27094, 27692, 28595, 30590, 30659, 34615, 37324, 37582, 41230, 46655, 49910, 50654, 54188, 57190, 61180, 61318, 67735, 69230, 75164, 82460, 93310, 93955, 94829, 99820, 101308, 114380, 122636, 126635, 131537, 135470, 138460, 153295, 177289, 186620, 187910, 189658, 214613, 253270, 263074, 270940, 306590, 354578, 375820, 379316, 429226, 474145, 506540, 526148, 582521, 613180, 657685, 709156, 858452, 886445, 948290, 1073065, 1165042, 1315370, 1772890, 1896580, 2146130, 2330084, 2630740, 2912605, 3545780, 4077647, 4292260, 5825210, 8155294, 11650420, 16310588, 20388235, 40776470, 81552940]

約数ペア:

[(1, 81552940), (2, 40776470), (4, 20388235), (5, 16310588), (7, 11650420), (10, 8155294), (14, 5825210), (19, 4292260), (20, 4077647), (23, 3545780), (28, 2912605), (31, 2630740), (35, 2330084), (38, 2146130), (43, 1896580), (46, 1772890), (62, 1315370), (70, 1165042), (76, 1073065), (86, 948290), (92, 886445), (95, 858452), (115, 709156), (124, 657685), (133, 613180), (140, 582521), (155, 526148), (161, 506540), (172, 474145), (190, 429226), (215, 379316), (217, 375820), (230, 354578), (266, 306590), (301, 270940), (310, 263074), (322, 253270), (380, 214613), (430, 189658), (434, 187910), (437, 186620), (460, 177289), (532, 153295), (589, 138460), (602, 135470), (620, 131537), (644, 126635), (665, 122636), (713, 114380), (805, 101308), (817, 99820), (860, 94829), (868, 93955), (874, 93310), (989, 82460), (1085, 75164), (1178, 69230), (1204, 67735), (1330, 61318), (1333, 61180), (1426, 57190), (1505, 54188), (1610, 50654), (1634, 49910), (1748, 46655), (1978, 41230), (2170, 37582), (2185, 37324), (2356, 34615), (2660, 30659), (2666, 30590), (2852, 28595), (2945, 27692), (3010, 27094), (3059, 26660), (3220, 25327), (3268, 24955), (3565, 22876), (3956, 20615), (4085, 19964), (4123, 19780), (4340, 18791), (4370, 18662), (4945, 16492), (4991, 16340), (5332, 15295), (5719, 14260), (5890, 13846), (6020, 13547), (6118, 13330), (6665, 12236), (6923, 11780), (7130, 11438), (8170, 9982), (8246, 9890), (8740, 9331)]