198599640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 620421120

約数和(自身を除く): 421821480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 197, 248, 271, 310, 372, 394, 465, 542, 591, 620, 744, 788, 813, 930, 985, 1084, 1182, 1240, 1355, 1576, 1626, 1860, 1970, 2168, 2364, 2710, 2955, 3252, 3720, 3940, 4065, 4728, 5420, 5910, 6107, 6504, 7880, 8130, 8401, 10840, 11820, 12214, 16260, 16802, 18321, 23640, 24428, 25203, 30535, 32520, 33604, 36642, 42005, 48856, 50406, 53387, 61070, 67208, 73284, 84010, 91605, 100812, 106774, 122140, 126015, 146568, 160161, 168020, 183210, 201624, 213548, 244280, 252030, 266935, 320322, 336040, 366420, 427096, 504060, 533870, 640644, 732840, 800805, 1008120, 1067740, 1281288, 1601610, 1654997, 2135480, 3203220, 3309994, 4964991, 6406440, 6619988, 8274985, 9929982, 13239976, 16549970, 19859964, 24824955, 33099940, 39719928, 49649910, 66199880, 99299820, 198599640]

約数ペア:

[(1, 198599640), (2, 99299820), (3, 66199880), (4, 49649910), (5, 39719928), (6, 33099940), (8, 24824955), (10, 19859964), (12, 16549970), (15, 13239976), (20, 9929982), (24, 8274985), (30, 6619988), (31, 6406440), (40, 4964991), (60, 3309994), (62, 3203220), (93, 2135480), (120, 1654997), (124, 1601610), (155, 1281288), (186, 1067740), (197, 1008120), (248, 800805), (271, 732840), (310, 640644), (372, 533870), (394, 504060), (465, 427096), (542, 366420), (591, 336040), (620, 320322), (744, 266935), (788, 252030), (813, 244280), (930, 213548), (985, 201624), (1084, 183210), (1182, 168020), (1240, 160161), (1355, 146568), (1576, 126015), (1626, 122140), (1860, 106774), (1970, 100812), (2168, 91605), (2364, 84010), (2710, 73284), (2955, 67208), (3252, 61070), (3720, 53387), (3940, 50406), (4065, 48856), (4728, 42005), (5420, 36642), (5910, 33604), (6107, 32520), (6504, 30535), (7880, 25203), (8130, 24428), (8401, 23640), (10840, 18321), (11820, 16802), (12214, 16260)]