1212815520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{120319}}^1$

素因数の和:120347

約数の個数: 144

約数和(自身を含む): 4730019840

約数和(自身を除く): 3517204320

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, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 120319, 240638, 360957, 481276, 601595, 721914, 842233, 962552, 1082871, 1203190, 1443828, 1684466, 1804785, 1925104, 2165742, 2406380, 2526699, 2887656, 3368932, 3609570, 3850208, 4211165, 4331484, 4812760, 5053398, 5414355, 5775312, 6737864, 7219140, 7580097, 8422330, 8662968, 9625520, 10106796, 10828710, 11550624, 12633495, 13475728, 14438280, 15160194, 16844660, 17325936, 19251040, 20213592, 21657420, 25266990, 26951456, 28876560, 30320388, 33689320, 34651872, 37900485, 40427184, 43314840, 50533980, 57753120, 60640776, 67378640, 75800970, 80854368, 86629680, 101067960, 121281552, 134757280, 151601940, 173259360, 202135920, 242563104, 303203880, 404271840, 606407760, 1212815520]

約数ペア:

[(1, 1212815520), (2, 606407760), (3, 404271840), (4, 303203880), (5, 242563104), (6, 202135920), (7, 173259360), (8, 151601940), (9, 134757280), (10, 121281552), (12, 101067960), (14, 86629680), (15, 80854368), (16, 75800970), (18, 67378640), (20, 60640776), (21, 57753120), (24, 50533980), (28, 43314840), (30, 40427184), (32, 37900485), (35, 34651872), (36, 33689320), (40, 30320388), (42, 28876560), (45, 26951456), (48, 25266990), (56, 21657420), (60, 20213592), (63, 19251040), (70, 17325936), (72, 16844660), (80, 15160194), (84, 14438280), (90, 13475728), (96, 12633495), (105, 11550624), (112, 10828710), (120, 10106796), (126, 9625520), (140, 8662968), (144, 8422330), (160, 7580097), (168, 7219140), (180, 6737864), (210, 5775312), (224, 5414355), (240, 5053398), (252, 4812760), (280, 4331484), (288, 4211165), (315, 3850208), (336, 3609570), (360, 3368932), (420, 2887656), (480, 2526699), (504, 2406380), (560, 2165742), (630, 1925104), (672, 1804785), (720, 1684466), (840, 1443828), (1008, 1203190), (1120, 1082871), (1260, 962552), (1440, 842233), (1680, 721914), (2016, 601595), (2520, 481276), (3360, 360957), (5040, 240638), (10080, 120319)]