1980862800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7607}}^1$

素因数の和:7666

約数の個数: 240

約数和(自身を含む): 7486758912

約数和(自身を除く): 5505896112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 48, 50, 56, 60, 62, 70, 75, 80, 84, 93, 100, 105, 112, 120, 124, 140, 150, 155, 168, 175, 186, 200, 210, 217, 240, 248, 280, 300, 310, 336, 350, 372, 400, 420, 434, 465, 496, 525, 560, 600, 620, 651, 700, 744, 775, 840, 868, 930, 1050, 1085, 1200, 1240, 1302, 1400, 1488, 1550, 1680, 1736, 1860, 2100, 2170, 2325, 2480, 2604, 2800, 3100, 3255, 3472, 3720, 4200, 4340, 4650, 5208, 5425, 6200, 6510, 7440, 7607, 8400, 8680, 9300, 10416, 10850, 12400, 13020, 15214, 16275, 17360, 18600, 21700, 22821, 26040, 30428, 32550, 37200, 38035, 43400, 45642, 52080, 53249, 60856, 65100, 76070, 86800, 91284, 106498, 114105, 121712, 130200, 152140, 159747, 182568, 190175, 212996, 228210, 235817, 260400, 266245, 304280, 319494, 365136, 380350, 425992, 456420, 471634, 532490, 570525, 608560, 638988, 707451, 760700, 798735, 851984, 912840, 943268, 1064980, 1141050, 1179085, 1277976, 1331225, 1414902, 1521400, 1597470, 1650719, 1825680, 1886536, 2129960, 2282100, 2358170, 2555952, 2662450, 2829804, 3042800, 3194940, 3301438, 3537255, 3773072, 3993675, 4259920, 4564200, 4716340, 4952157, 5324900, 5659608, 5895425, 6389880, 6602876, 7074510, 7987350, 8253595, 9128400, 9432680, 9904314, 10649800, 11319216, 11790850, 12779760, 13205752, 14149020, 15974700, 16507190, 17686275, 18865360, 19808628, 21299600, 23581700, 24760785, 26411504, 28298040, 31949400, 33014380, 35372550, 39617256, 41267975, 47163400, 49521570, 56596080, 63898800, 66028760, 70745100, 79234512, 82535950, 94326800, 99043140, 123803925, 132057520, 141490200, 165071900, 198086280, 247607850, 282980400, 330143800, 396172560, 495215700, 660287600, 990431400, 1980862800]

約数ペア:

[(1, 1980862800), (2, 990431400), (3, 660287600), (4, 495215700), (5, 396172560), (6, 330143800), (7, 282980400), (8, 247607850), (10, 198086280), (12, 165071900), (14, 141490200), (15, 132057520), (16, 123803925), (20, 99043140), (21, 94326800), (24, 82535950), (25, 79234512), (28, 70745100), (30, 66028760), (31, 63898800), (35, 56596080), (40, 49521570), (42, 47163400), (48, 41267975), (50, 39617256), (56, 35372550), (60, 33014380), (62, 31949400), (70, 28298040), (75, 26411504), (80, 24760785), (84, 23581700), (93, 21299600), (100, 19808628), (105, 18865360), (112, 17686275), (120, 16507190), (124, 15974700), (140, 14149020), (150, 13205752), (155, 12779760), (168, 11790850), (175, 11319216), (186, 10649800), (200, 9904314), (210, 9432680), (217, 9128400), (240, 8253595), (248, 7987350), (280, 7074510), (300, 6602876), (310, 6389880), (336, 5895425), (350, 5659608), (372, 5324900), (400, 4952157), (420, 4716340), (434, 4564200), (465, 4259920), (496, 3993675), (525, 3773072), (560, 3537255), (600, 3301438), (620, 3194940), (651, 3042800), (700, 2829804), (744, 2662450), (775, 2555952), (840, 2358170), (868, 2282100), (930, 2129960), (1050, 1886536), (1085, 1825680), (1200, 1650719), (1240, 1597470), (1302, 1521400), (1400, 1414902), (1488, 1331225), (1550, 1277976), (1680, 1179085), (1736, 1141050), (1860, 1064980), (2100, 943268), (2170, 912840), (2325, 851984), (2480, 798735), (2604, 760700), (2800, 707451), (3100, 638988), (3255, 608560), (3472, 570525), (3720, 532490), (4200, 471634), (4340, 456420), (4650, 425992), (5208, 380350), (5425, 365136), (6200, 319494), (6510, 304280), (7440, 266245), (7607, 260400), (8400, 235817), (8680, 228210), (9300, 212996), (10416, 190175), (10850, 182568), (12400, 159747), (13020, 152140), (15214, 130200), (16275, 121712), (17360, 114105), (18600, 106498), (21700, 91284), (22821, 86800), (26040, 76070), (30428, 65100), (32550, 60856), (37200, 53249), (38035, 52080), (43400, 45642)]