228972420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 240

約数和(自身を含む): 778155840

約数和(自身を除く): 549183420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 43, 45, 54, 57, 60, 76, 81, 86, 90, 95, 108, 114, 129, 135, 162, 171, 172, 173, 180, 190, 215, 228, 258, 270, 285, 324, 342, 346, 380, 387, 405, 430, 513, 516, 519, 540, 570, 645, 684, 692, 774, 810, 817, 855, 860, 865, 1026, 1038, 1140, 1161, 1290, 1539, 1548, 1557, 1620, 1634, 1710, 1730, 1935, 2052, 2076, 2322, 2451, 2565, 2580, 2595, 3078, 3114, 3268, 3287, 3420, 3460, 3483, 3870, 4085, 4644, 4671, 4902, 5130, 5190, 5805, 6156, 6228, 6574, 6966, 7353, 7439, 7695, 7740, 7785, 8170, 9342, 9804, 9861, 10260, 10380, 11610, 12255, 13148, 13932, 14013, 14706, 14878, 15390, 15570, 16340, 16435, 17415, 18684, 19722, 22059, 22317, 23220, 23355, 24510, 28026, 29412, 29583, 29756, 30780, 31140, 32870, 34830, 36765, 37195, 39444, 44118, 44634, 46710, 49020, 49305, 56052, 59166, 65740, 66177, 66951, 69660, 70065, 73530, 74390, 88236, 88749, 89268, 93420, 98610, 110295, 111585, 118332, 132354, 133902, 140130, 141341, 147060, 147915, 148780, 177498, 197220, 200853, 220590, 223170, 264708, 266247, 267804, 280260, 282682, 295830, 330885, 334755, 354996, 401706, 424023, 441180, 443745, 446340, 532494, 565364, 591660, 602559, 661770, 669510, 706705, 803412, 848046, 887490, 1004265, 1064988, 1205118, 1272069, 1323540, 1331235, 1339020, 1413410, 1696092, 1774980, 2008530, 2120115, 2410236, 2544138, 2662470, 2826820, 3012795, 3816207, 4017060, 4240230, 5088276, 5324940, 6025590, 6360345, 7632414, 8480460, 11448621, 12051180, 12720690, 15264828, 19081035, 22897242, 25441380, 38162070, 45794484, 57243105, 76324140, 114486210, 228972420]

約数ペア:

[(1, 228972420), (2, 114486210), (3, 76324140), (4, 57243105), (5, 45794484), (6, 38162070), (9, 25441380), (10, 22897242), (12, 19081035), (15, 15264828), (18, 12720690), (19, 12051180), (20, 11448621), (27, 8480460), (30, 7632414), (36, 6360345), (38, 6025590), (43, 5324940), (45, 5088276), (54, 4240230), (57, 4017060), (60, 3816207), (76, 3012795), (81, 2826820), (86, 2662470), (90, 2544138), (95, 2410236), (108, 2120115), (114, 2008530), (129, 1774980), (135, 1696092), (162, 1413410), (171, 1339020), (172, 1331235), (173, 1323540), (180, 1272069), (190, 1205118), (215, 1064988), (228, 1004265), (258, 887490), (270, 848046), (285, 803412), (324, 706705), (342, 669510), (346, 661770), (380, 602559), (387, 591660), (405, 565364), (430, 532494), (513, 446340), (516, 443745), (519, 441180), (540, 424023), (570, 401706), (645, 354996), (684, 334755), (692, 330885), (774, 295830), (810, 282682), (817, 280260), (855, 267804), (860, 266247), (865, 264708), (1026, 223170), (1038, 220590), (1140, 200853), (1161, 197220), (1290, 177498), (1539, 148780), (1548, 147915), (1557, 147060), (1620, 141341), (1634, 140130), (1710, 133902), (1730, 132354), (1935, 118332), (2052, 111585), (2076, 110295), (2322, 98610), (2451, 93420), (2565, 89268), (2580, 88749), (2595, 88236), (3078, 74390), (3114, 73530), (3268, 70065), (3287, 69660), (3420, 66951), (3460, 66177), (3483, 65740), (3870, 59166), (4085, 56052), (4644, 49305), (4671, 49020), (4902, 46710), (5130, 44634), (5190, 44118), (5805, 39444), (6156, 37195), (6228, 36765), (6574, 34830), (6966, 32870), (7353, 31140), (7439, 30780), (7695, 29756), (7740, 29583), (7785, 29412), (8170, 28026), (9342, 24510), (9804, 23355), (9861, 23220), (10260, 22317), (10380, 22059), (11610, 19722), (12255, 18684), (13148, 17415), (13932, 16435), (14013, 16340), (14706, 15570), (14878, 15390)]