640330854120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20444791}}^1$

素因数の和:20444840

約数の個数: 128

約数和(自身を含む): 2208037536000

約数和(自身を除く): 1567706681880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 2088, 2610, 3132, 3480, 3915, 5220, 6264, 7830, 10440, 15660, 31320, 20444791, 40889582, 61334373, 81779164, 102223955, 122668746, 163558328, 184003119, 204447910, 245337492, 306671865, 368006238, 408895820, 490674984, 552009357, 592898939, 613343730, 736012476, 817791640, 920015595, 1104018714, 1185797878, 1226687460, 1472024952, 1778696817, 1840031190, 2208037428, 2371595756, 2453374920, 2760046785, 2964494695, 3557393634, 3680062380, 4416074856, 4743191512, 5336090451, 5520093570, 5928989390, 7114787268, 7360124760, 8893484085, 10672180902, 11040187140, 11857978780, 14229574536, 16008271353, 17786968170, 21344361804, 22080374280, 23715957560, 26680452255, 32016542706, 35573936340, 42688723608, 53360904510, 64033085412, 71147872680, 80041356765, 106721809020, 128066170824, 160082713530, 213443618040, 320165427060, 640330854120]

約数ペア:

[(1, 640330854120), (2, 320165427060), (3, 213443618040), (4, 160082713530), (5, 128066170824), (6, 106721809020), (8, 80041356765), (9, 71147872680), (10, 64033085412), (12, 53360904510), (15, 42688723608), (18, 35573936340), (20, 32016542706), (24, 26680452255), (27, 23715957560), (29, 22080374280), (30, 21344361804), (36, 17786968170), (40, 16008271353), (45, 14229574536), (54, 11857978780), (58, 11040187140), (60, 10672180902), (72, 8893484085), (87, 7360124760), (90, 7114787268), (108, 5928989390), (116, 5520093570), (120, 5336090451), (135, 4743191512), (145, 4416074856), (174, 3680062380), (180, 3557393634), (216, 2964494695), (232, 2760046785), (261, 2453374920), (270, 2371595756), (290, 2208037428), (348, 1840031190), (360, 1778696817), (435, 1472024952), (522, 1226687460), (540, 1185797878), (580, 1104018714), (696, 920015595), (783, 817791640), (870, 736012476), (1044, 613343730), (1080, 592898939), (1160, 552009357), (1305, 490674984), (1566, 408895820), (1740, 368006238), (2088, 306671865), (2610, 245337492), (3132, 204447910), (3480, 184003119), (3915, 163558328), (5220, 122668746), (6264, 102223955), (7830, 81779164), (10440, 61334373), (15660, 40889582), (31320, 20444791)]