1581474720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12721}}^1$

素因数の和:12783

約数の個数: 192

約数和(自身を含む): 5847641856

約数和(自身を除く): 4266167136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 96, 105, 111, 112, 120, 140, 148, 160, 168, 185, 210, 222, 224, 240, 259, 280, 296, 336, 370, 420, 444, 480, 518, 555, 560, 592, 672, 740, 777, 840, 888, 1036, 1110, 1120, 1184, 1295, 1480, 1554, 1680, 1776, 2072, 2220, 2590, 2960, 3108, 3360, 3552, 3885, 4144, 4440, 5180, 5920, 6216, 7770, 8288, 8880, 10360, 12432, 12721, 15540, 17760, 20720, 24864, 25442, 31080, 38163, 41440, 50884, 62160, 63605, 76326, 89047, 101768, 124320, 127210, 152652, 178094, 190815, 203536, 254420, 267141, 305304, 356188, 381630, 407072, 445235, 470677, 508840, 534282, 610608, 712376, 763260, 890470, 941354, 1017680, 1068564, 1221216, 1335705, 1412031, 1424752, 1526520, 1780940, 1882708, 2035360, 2137128, 2353385, 2671410, 2824062, 2849504, 3053040, 3294739, 3561880, 3765416, 4274256, 4706770, 5342820, 5648124, 6106080, 6589478, 7060155, 7123760, 7530832, 8548512, 9413540, 9884217, 10685640, 11296248, 13178956, 14120310, 14247520, 15061664, 16473695, 18827080, 19768434, 21371280, 22592496, 26357912, 28240620, 32947390, 37654160, 39536868, 42742560, 45184992, 49421085, 52715824, 56481240, 65894780, 75308320, 79073736, 98842170, 105431648, 112962480, 131789560, 158147472, 197684340, 225924960, 263579120, 316294944, 395368680, 527158240, 790737360, 1581474720]

約数ペア:

[(1, 1581474720), (2, 790737360), (3, 527158240), (4, 395368680), (5, 316294944), (6, 263579120), (7, 225924960), (8, 197684340), (10, 158147472), (12, 131789560), (14, 112962480), (15, 105431648), (16, 98842170), (20, 79073736), (21, 75308320), (24, 65894780), (28, 56481240), (30, 52715824), (32, 49421085), (35, 45184992), (37, 42742560), (40, 39536868), (42, 37654160), (48, 32947390), (56, 28240620), (60, 26357912), (70, 22592496), (74, 21371280), (80, 19768434), (84, 18827080), (96, 16473695), (105, 15061664), (111, 14247520), (112, 14120310), (120, 13178956), (140, 11296248), (148, 10685640), (160, 9884217), (168, 9413540), (185, 8548512), (210, 7530832), (222, 7123760), (224, 7060155), (240, 6589478), (259, 6106080), (280, 5648124), (296, 5342820), (336, 4706770), (370, 4274256), (420, 3765416), (444, 3561880), (480, 3294739), (518, 3053040), (555, 2849504), (560, 2824062), (592, 2671410), (672, 2353385), (740, 2137128), (777, 2035360), (840, 1882708), (888, 1780940), (1036, 1526520), (1110, 1424752), (1120, 1412031), (1184, 1335705), (1295, 1221216), (1480, 1068564), (1554, 1017680), (1680, 941354), (1776, 890470), (2072, 763260), (2220, 712376), (2590, 610608), (2960, 534282), (3108, 508840), (3360, 470677), (3552, 445235), (3885, 407072), (4144, 381630), (4440, 356188), (5180, 305304), (5920, 267141), (6216, 254420), (7770, 203536), (8288, 190815), (8880, 178094), (10360, 152652), (12432, 127210), (12721, 124320), (15540, 101768), (17760, 89047), (20720, 76326), (24864, 63605), (25442, 62160), (31080, 50884), (38163, 41440)]