1801890720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{25537}}^1$

素因数の和:25572

約数の個数: 216

約数和(自身を含む): 7153142724

約数和(自身を除く): 5351252004

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 23520, 25537, 35280, 51074, 70560, 76611, 102148, 127685, 153222, 178759, 204296, 229833, 255370, 306444, 357518, 383055, 408592, 459666, 510740, 536277, 612888, 715036, 766110, 817184, 893795, 919332, 1021480, 1072554, 1149165, 1225776, 1251313, 1430072, 1532220, 1608831, 1787590, 1838664, 2042960, 2145108, 2298330, 2451552, 2502626, 2681385, 2860144, 3064440, 3217662, 3575180, 3677328, 3753939, 4085920, 4290216, 4596660, 5005252, 5362770, 5720288, 6128880, 6256565, 6435324, 7150360, 7354656, 7507878, 8044155, 8580432, 9193320, 10010504, 10725540, 11261817, 12257760, 12513130, 12870648, 14300720, 15015756, 16088310, 17160864, 18386640, 18769695, 20021008, 21451080, 22523634, 25026260, 25741296, 28601440, 30031512, 32176620, 36773280, 37539390, 40042016, 42902160, 45047268, 50052520, 51482592, 56309085, 60063024, 64353240, 75078780, 85804320, 90094536, 100105040, 112618170, 120126048, 128706480, 150157560, 180189072, 200210080, 225236340, 257412960, 300315120, 360378144, 450472680, 600630240, 900945360, 1801890720]

約数ペア:

[(1, 1801890720), (2, 900945360), (3, 600630240), (4, 450472680), (5, 360378144), (6, 300315120), (7, 257412960), (8, 225236340), (9, 200210080), (10, 180189072), (12, 150157560), (14, 128706480), (15, 120126048), (16, 112618170), (18, 100105040), (20, 90094536), (21, 85804320), (24, 75078780), (28, 64353240), (30, 60063024), (32, 56309085), (35, 51482592), (36, 50052520), (40, 45047268), (42, 42902160), (45, 40042016), (48, 37539390), (49, 36773280), (56, 32176620), (60, 30031512), (63, 28601440), (70, 25741296), (72, 25026260), (80, 22523634), (84, 21451080), (90, 20021008), (96, 18769695), (98, 18386640), (105, 17160864), (112, 16088310), (120, 15015756), (126, 14300720), (140, 12870648), (144, 12513130), (147, 12257760), (160, 11261817), (168, 10725540), (180, 10010504), (196, 9193320), (210, 8580432), (224, 8044155), (240, 7507878), (245, 7354656), (252, 7150360), (280, 6435324), (288, 6256565), (294, 6128880), (315, 5720288), (336, 5362770), (360, 5005252), (392, 4596660), (420, 4290216), (441, 4085920), (480, 3753939), (490, 3677328), (504, 3575180), (560, 3217662), (588, 3064440), (630, 2860144), (672, 2681385), (720, 2502626), (735, 2451552), (784, 2298330), (840, 2145108), (882, 2042960), (980, 1838664), (1008, 1787590), (1120, 1608831), (1176, 1532220), (1260, 1430072), (1440, 1251313), (1470, 1225776), (1568, 1149165), (1680, 1072554), (1764, 1021480), (1960, 919332), (2016, 893795), (2205, 817184), (2352, 766110), (2520, 715036), (2940, 612888), (3360, 536277), (3528, 510740), (3920, 459666), (4410, 408592), (4704, 383055), (5040, 357518), (5880, 306444), (7056, 255370), (7840, 229833), (8820, 204296), (10080, 178759), (11760, 153222), (14112, 127685), (17640, 102148), (23520, 76611), (25537, 70560), (35280, 51074)]