31654980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 216

約数和(自身を含む): 115898328

約数和(自身を除く): 84243348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 97, 98, 105, 111, 126, 140, 147, 148, 180, 185, 194, 196, 210, 222, 245, 252, 259, 291, 294, 315, 333, 370, 388, 420, 441, 444, 485, 490, 518, 555, 582, 588, 630, 666, 679, 735, 740, 777, 873, 882, 970, 980, 1036, 1110, 1164, 1260, 1295, 1332, 1358, 1455, 1470, 1554, 1665, 1746, 1764, 1813, 1940, 2037, 2205, 2220, 2331, 2590, 2716, 2910, 2940, 3108, 3330, 3395, 3492, 3589, 3626, 3885, 4074, 4365, 4410, 4662, 4753, 5180, 5439, 5820, 6111, 6660, 6790, 7178, 7252, 7770, 8148, 8730, 8820, 9065, 9324, 9506, 10185, 10767, 10878, 11655, 12222, 13580, 14259, 14356, 15540, 16317, 17460, 17945, 18130, 19012, 20370, 21534, 21756, 23310, 23765, 24444, 25123, 27195, 28518, 30555, 32301, 32634, 35890, 36260, 40740, 42777, 43068, 46620, 47530, 50246, 53835, 54390, 57036, 61110, 64602, 65268, 71295, 71780, 75369, 81585, 85554, 95060, 100492, 107670, 108780, 122220, 125615, 129204, 142590, 150738, 161505, 163170, 171108, 175861, 213885, 215340, 226107, 251230, 285180, 301476, 323010, 326340, 351722, 376845, 427770, 452214, 502460, 527583, 646020, 703444, 753690, 855540, 879305, 904428, 1055166, 1130535, 1507380, 1582749, 1758610, 2110332, 2261070, 2637915, 3165498, 3517220, 4522140, 5275830, 6330996, 7913745, 10551660, 15827490, 31654980]

約数ペア:

[(1, 31654980), (2, 15827490), (3, 10551660), (4, 7913745), (5, 6330996), (6, 5275830), (7, 4522140), (9, 3517220), (10, 3165498), (12, 2637915), (14, 2261070), (15, 2110332), (18, 1758610), (20, 1582749), (21, 1507380), (28, 1130535), (30, 1055166), (35, 904428), (36, 879305), (37, 855540), (42, 753690), (45, 703444), (49, 646020), (60, 527583), (63, 502460), (70, 452214), (74, 427770), (84, 376845), (90, 351722), (97, 326340), (98, 323010), (105, 301476), (111, 285180), (126, 251230), (140, 226107), (147, 215340), (148, 213885), (180, 175861), (185, 171108), (194, 163170), (196, 161505), (210, 150738), (222, 142590), (245, 129204), (252, 125615), (259, 122220), (291, 108780), (294, 107670), (315, 100492), (333, 95060), (370, 85554), (388, 81585), (420, 75369), (441, 71780), (444, 71295), (485, 65268), (490, 64602), (518, 61110), (555, 57036), (582, 54390), (588, 53835), (630, 50246), (666, 47530), (679, 46620), (735, 43068), (740, 42777), (777, 40740), (873, 36260), (882, 35890), (970, 32634), (980, 32301), (1036, 30555), (1110, 28518), (1164, 27195), (1260, 25123), (1295, 24444), (1332, 23765), (1358, 23310), (1455, 21756), (1470, 21534), (1554, 20370), (1665, 19012), (1746, 18130), (1764, 17945), (1813, 17460), (1940, 16317), (2037, 15540), (2205, 14356), (2220, 14259), (2331, 13580), (2590, 12222), (2716, 11655), (2910, 10878), (2940, 10767), (3108, 10185), (3330, 9506), (3395, 9324), (3492, 9065), (3589, 8820), (3626, 8730), (3885, 8148), (4074, 7770), (4365, 7252), (4410, 7178), (4662, 6790), (4753, 6660), (5180, 6111), (5439, 5820)]