212156560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 240

約数和(自身を含む): 645958656

約数和(自身を除く): 433802096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 101, 110, 112, 121, 124, 140, 154, 155, 176, 202, 217, 220, 242, 248, 280, 308, 310, 341, 385, 404, 434, 440, 484, 496, 505, 560, 605, 616, 620, 682, 707, 770, 808, 847, 868, 880, 968, 1010, 1085, 1111, 1210, 1232, 1240, 1364, 1414, 1540, 1616, 1694, 1705, 1736, 1936, 2020, 2170, 2222, 2387, 2420, 2480, 2728, 2828, 3080, 3131, 3388, 3410, 3472, 3535, 3751, 4040, 4235, 4340, 4444, 4774, 4840, 5456, 5555, 5656, 6160, 6262, 6776, 6820, 7070, 7502, 7777, 8080, 8470, 8680, 8888, 9548, 9680, 11110, 11312, 11935, 12221, 12524, 13552, 13640, 14140, 15004, 15554, 15655, 16940, 17360, 17776, 18755, 19096, 21917, 22220, 23870, 24442, 25048, 26257, 27280, 28280, 30008, 31108, 31310, 33880, 34441, 37510, 38192, 38885, 43834, 44440, 47740, 48884, 50096, 52514, 56560, 60016, 61105, 62216, 62620, 67760, 68882, 75020, 77770, 85547, 87668, 88880, 95480, 97768, 105028, 109585, 122210, 124432, 125240, 131285, 137764, 150040, 155540, 171094, 172205, 175336, 190960, 195536, 210056, 219170, 241087, 244420, 250480, 262570, 275528, 300080, 311080, 342188, 344410, 350672, 378851, 420112, 427735, 438340, 482174, 488840, 525140, 551056, 622160, 684376, 688820, 757702, 855470, 876680, 964348, 977680, 1050280, 1205435, 1368752, 1377640, 1515404, 1710940, 1753360, 1894255, 1928696, 2100560, 2410870, 2651957, 2755280, 3030808, 3421880, 3788510, 3857392, 4821740, 5303914, 6061616, 6843760, 7577020, 9643480, 10607828, 13259785, 15154040, 19286960, 21215656, 26519570, 30308080, 42431312, 53039140, 106078280, 212156560]

約数ペア:

[(1, 212156560), (2, 106078280), (4, 53039140), (5, 42431312), (7, 30308080), (8, 26519570), (10, 21215656), (11, 19286960), (14, 15154040), (16, 13259785), (20, 10607828), (22, 9643480), (28, 7577020), (31, 6843760), (35, 6061616), (40, 5303914), (44, 4821740), (55, 3857392), (56, 3788510), (62, 3421880), (70, 3030808), (77, 2755280), (80, 2651957), (88, 2410870), (101, 2100560), (110, 1928696), (112, 1894255), (121, 1753360), (124, 1710940), (140, 1515404), (154, 1377640), (155, 1368752), (176, 1205435), (202, 1050280), (217, 977680), (220, 964348), (242, 876680), (248, 855470), (280, 757702), (308, 688820), (310, 684376), (341, 622160), (385, 551056), (404, 525140), (434, 488840), (440, 482174), (484, 438340), (496, 427735), (505, 420112), (560, 378851), (605, 350672), (616, 344410), (620, 342188), (682, 311080), (707, 300080), (770, 275528), (808, 262570), (847, 250480), (868, 244420), (880, 241087), (968, 219170), (1010, 210056), (1085, 195536), (1111, 190960), (1210, 175336), (1232, 172205), (1240, 171094), (1364, 155540), (1414, 150040), (1540, 137764), (1616, 131285), (1694, 125240), (1705, 124432), (1736, 122210), (1936, 109585), (2020, 105028), (2170, 97768), (2222, 95480), (2387, 88880), (2420, 87668), (2480, 85547), (2728, 77770), (2828, 75020), (3080, 68882), (3131, 67760), (3388, 62620), (3410, 62216), (3472, 61105), (3535, 60016), (3751, 56560), (4040, 52514), (4235, 50096), (4340, 48884), (4444, 47740), (4774, 44440), (4840, 43834), (5456, 38885), (5555, 38192), (5656, 37510), (6160, 34441), (6262, 33880), (6776, 31310), (6820, 31108), (7070, 30008), (7502, 28280), (7777, 27280), (8080, 26257), (8470, 25048), (8680, 24442), (8888, 23870), (9548, 22220), (9680, 21917), (11110, 19096), (11312, 18755), (11935, 17776), (12221, 17360), (12524, 16940), (13552, 15655), (13640, 15554), (14140, 15004)]