161880180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1014

約数の個数: 192

約数和(自身を含む): 580995072

約数和(自身を除く): 419114892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 37, 42, 44, 55, 60, 66, 70, 74, 77, 84, 105, 110, 111, 132, 140, 148, 154, 165, 185, 210, 220, 222, 231, 259, 308, 330, 370, 385, 407, 420, 444, 462, 518, 555, 660, 740, 770, 777, 814, 924, 947, 1036, 1110, 1155, 1221, 1295, 1540, 1554, 1628, 1894, 2035, 2220, 2310, 2442, 2590, 2841, 2849, 3108, 3788, 3885, 4070, 4620, 4735, 4884, 5180, 5682, 5698, 6105, 6629, 7770, 8140, 8547, 9470, 10417, 11364, 11396, 12210, 13258, 14205, 14245, 15540, 17094, 18940, 19887, 20834, 24420, 26516, 28410, 28490, 31251, 33145, 34188, 35039, 39774, 41668, 42735, 52085, 56820, 56980, 62502, 66290, 70078, 72919, 79548, 85470, 99435, 104170, 105117, 125004, 132580, 140156, 145838, 156255, 170940, 175195, 198870, 208340, 210234, 218757, 245273, 291676, 312510, 350390, 364595, 385429, 397740, 420468, 437514, 490546, 525585, 625020, 700780, 729190, 735819, 770858, 875028, 981092, 1051170, 1093785, 1156287, 1226365, 1458380, 1471638, 1541716, 1927145, 2102340, 2187570, 2312574, 2452730, 2698003, 2943276, 3679095, 3854290, 4375140, 4625148, 4905460, 5396006, 5781435, 7358190, 7708580, 8094009, 10792012, 11562870, 13490015, 14716380, 16188018, 23125740, 26980030, 32376036, 40470045, 53960060, 80940090, 161880180]

約数ペア:

[(1, 161880180), (2, 80940090), (3, 53960060), (4, 40470045), (5, 32376036), (6, 26980030), (7, 23125740), (10, 16188018), (11, 14716380), (12, 13490015), (14, 11562870), (15, 10792012), (20, 8094009), (21, 7708580), (22, 7358190), (28, 5781435), (30, 5396006), (33, 4905460), (35, 4625148), (37, 4375140), (42, 3854290), (44, 3679095), (55, 2943276), (60, 2698003), (66, 2452730), (70, 2312574), (74, 2187570), (77, 2102340), (84, 1927145), (105, 1541716), (110, 1471638), (111, 1458380), (132, 1226365), (140, 1156287), (148, 1093785), (154, 1051170), (165, 981092), (185, 875028), (210, 770858), (220, 735819), (222, 729190), (231, 700780), (259, 625020), (308, 525585), (330, 490546), (370, 437514), (385, 420468), (407, 397740), (420, 385429), (444, 364595), (462, 350390), (518, 312510), (555, 291676), (660, 245273), (740, 218757), (770, 210234), (777, 208340), (814, 198870), (924, 175195), (947, 170940), (1036, 156255), (1110, 145838), (1155, 140156), (1221, 132580), (1295, 125004), (1540, 105117), (1554, 104170), (1628, 99435), (1894, 85470), (2035, 79548), (2220, 72919), (2310, 70078), (2442, 66290), (2590, 62502), (2841, 56980), (2849, 56820), (3108, 52085), (3788, 42735), (3885, 41668), (4070, 39774), (4620, 35039), (4735, 34188), (4884, 33145), (5180, 31251), (5682, 28490), (5698, 28410), (6105, 26516), (6629, 24420), (7770, 20834), (8140, 19887), (8547, 18940), (9470, 17094), (10417, 15540), (11364, 14245), (11396, 14205), (12210, 13258)]