1816815420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1382

約数の個数: 240

約数和(自身を含む): 6568708608

約数和(自身を除く): 4751893188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 131, 135, 140, 162, 180, 189, 210, 252, 262, 270, 315, 324, 378, 393, 405, 420, 524, 540, 567, 630, 655, 756, 786, 810, 917, 945, 1134, 1179, 1223, 1260, 1310, 1572, 1620, 1834, 1890, 1965, 2268, 2358, 2446, 2620, 2751, 2835, 3537, 3668, 3669, 3780, 3930, 4585, 4716, 4892, 5502, 5670, 5895, 6115, 7074, 7338, 7860, 8253, 8561, 9170, 10611, 11004, 11007, 11340, 11790, 12230, 13755, 14148, 14676, 16506, 17122, 17685, 18340, 18345, 21222, 22014, 23580, 24460, 24759, 25683, 27510, 33012, 33021, 34244, 35370, 36690, 41265, 42444, 42805, 44028, 49518, 51366, 53055, 55020, 55035, 66042, 70740, 73380, 74277, 77049, 82530, 85610, 99036, 99063, 102732, 106110, 110070, 123795, 128415, 132084, 148554, 154098, 160213, 165060, 165105, 171220, 198126, 212220, 220140, 231147, 247590, 256830, 297108, 308196, 320426, 330210, 371385, 385245, 396252, 462294, 480639, 495180, 495315, 513660, 640852, 660420, 693441, 742770, 770490, 801065, 924588, 961278, 990630, 1121491, 1155735, 1386882, 1441917, 1485540, 1540980, 1602130, 1922556, 1981260, 2242982, 2311470, 2403195, 2773764, 2883834, 3204260, 3364473, 3467205, 4325751, 4485964, 4622940, 4806390, 5607455, 5767668, 6728946, 6934410, 7209585, 8651502, 9612780, 10093419, 11214910, 12977253, 13457892, 13868820, 14419170, 16822365, 17303004, 20186838, 21628755, 22429820, 25954506, 28838340, 30280257, 33644730, 40373676, 43257510, 50467095, 51909012, 60560514, 64886265, 67289460, 86515020, 90840771, 100934190, 121121028, 129772530, 151401285, 181681542, 201868380, 259545060, 302802570, 363363084, 454203855, 605605140, 908407710, 1816815420]

約数ペア:

[(1, 1816815420), (2, 908407710), (3, 605605140), (4, 454203855), (5, 363363084), (6, 302802570), (7, 259545060), (9, 201868380), (10, 181681542), (12, 151401285), (14, 129772530), (15, 121121028), (18, 100934190), (20, 90840771), (21, 86515020), (27, 67289460), (28, 64886265), (30, 60560514), (35, 51909012), (36, 50467095), (42, 43257510), (45, 40373676), (54, 33644730), (60, 30280257), (63, 28838340), (70, 25954506), (81, 22429820), (84, 21628755), (90, 20186838), (105, 17303004), (108, 16822365), (126, 14419170), (131, 13868820), (135, 13457892), (140, 12977253), (162, 11214910), (180, 10093419), (189, 9612780), (210, 8651502), (252, 7209585), (262, 6934410), (270, 6728946), (315, 5767668), (324, 5607455), (378, 4806390), (393, 4622940), (405, 4485964), (420, 4325751), (524, 3467205), (540, 3364473), (567, 3204260), (630, 2883834), (655, 2773764), (756, 2403195), (786, 2311470), (810, 2242982), (917, 1981260), (945, 1922556), (1134, 1602130), (1179, 1540980), (1223, 1485540), (1260, 1441917), (1310, 1386882), (1572, 1155735), (1620, 1121491), (1834, 990630), (1890, 961278), (1965, 924588), (2268, 801065), (2358, 770490), (2446, 742770), (2620, 693441), (2751, 660420), (2835, 640852), (3537, 513660), (3668, 495315), (3669, 495180), (3780, 480639), (3930, 462294), (4585, 396252), (4716, 385245), (4892, 371385), (5502, 330210), (5670, 320426), (5895, 308196), (6115, 297108), (7074, 256830), (7338, 247590), (7860, 231147), (8253, 220140), (8561, 212220), (9170, 198126), (10611, 171220), (11004, 165105), (11007, 165060), (11340, 160213), (11790, 154098), (12230, 148554), (13755, 132084), (14148, 128415), (14676, 123795), (16506, 110070), (17122, 106110), (17685, 102732), (18340, 99063), (18345, 99036), (21222, 85610), (22014, 82530), (23580, 77049), (24460, 74277), (24759, 73380), (25683, 70740), (27510, 66042), (33012, 55035), (33021, 55020), (34244, 53055), (35370, 51366), (36690, 49518), (41265, 44028), (42444, 42805)]