198780660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 288

約数和(自身を含む): 726485760

約数和(自身を除く): 527705100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 19, 20, 26, 30, 34, 36, 38, 39, 45, 51, 52, 57, 60, 65, 68, 76, 78, 85, 90, 95, 102, 114, 117, 130, 153, 156, 170, 171, 180, 190, 195, 204, 221, 228, 234, 247, 255, 260, 263, 285, 306, 323, 340, 342, 380, 390, 442, 468, 494, 510, 526, 570, 585, 612, 646, 663, 684, 741, 765, 780, 789, 855, 884, 969, 988, 1020, 1052, 1105, 1140, 1170, 1235, 1292, 1315, 1326, 1482, 1530, 1578, 1615, 1710, 1938, 1989, 2210, 2223, 2340, 2367, 2470, 2630, 2652, 2907, 2964, 3060, 3156, 3230, 3315, 3419, 3420, 3705, 3876, 3945, 3978, 4199, 4420, 4446, 4471, 4734, 4845, 4940, 4997, 5260, 5814, 6460, 6630, 6838, 7410, 7890, 7956, 8398, 8892, 8942, 9468, 9690, 9945, 9994, 10257, 11115, 11628, 11835, 12597, 13260, 13413, 13676, 14535, 14820, 14991, 15780, 16796, 17095, 17884, 19380, 19890, 19988, 20514, 20995, 22230, 22355, 23670, 24985, 25194, 26826, 29070, 29982, 30771, 34190, 37791, 39780, 40239, 41028, 41990, 44460, 44710, 44973, 47340, 49970, 50388, 51285, 53652, 58123, 58140, 59964, 61542, 62985, 64961, 67065, 68380, 74955, 75582, 80478, 83980, 84949, 89420, 89946, 99940, 102570, 116246, 123084, 125970, 129922, 134130, 149910, 151164, 153855, 160956, 169898, 174369, 179892, 188955, 194883, 201195, 205140, 224865, 232492, 251940, 254847, 259844, 268260, 290615, 299820, 307710, 324805, 339796, 348738, 377910, 389766, 402390, 424745, 449730, 509694, 523107, 581230, 584649, 615420, 649610, 697476, 755820, 764541, 779532, 804780, 849490, 871845, 899460, 974415, 1019388, 1046214, 1104337, 1162460, 1169298, 1274235, 1299220, 1529082, 1698980, 1743690, 1948830, 2092428, 2208674, 2338596, 2548470, 2615535, 2923245, 3058164, 3313011, 3487380, 3822705, 3897660, 4417348, 5096940, 5231070, 5521685, 5846490, 6626022, 7645410, 9939033, 10462140, 11043370, 11692980, 13252044, 15290820, 16565055, 19878066, 22086740, 33130110, 39756132, 49695165, 66260220, 99390330, 198780660]

約数ペア:

[(1, 198780660), (2, 99390330), (3, 66260220), (4, 49695165), (5, 39756132), (6, 33130110), (9, 22086740), (10, 19878066), (12, 16565055), (13, 15290820), (15, 13252044), (17, 11692980), (18, 11043370), (19, 10462140), (20, 9939033), (26, 7645410), (30, 6626022), (34, 5846490), (36, 5521685), (38, 5231070), (39, 5096940), (45, 4417348), (51, 3897660), (52, 3822705), (57, 3487380), (60, 3313011), (65, 3058164), (68, 2923245), (76, 2615535), (78, 2548470), (85, 2338596), (90, 2208674), (95, 2092428), (102, 1948830), (114, 1743690), (117, 1698980), (130, 1529082), (153, 1299220), (156, 1274235), (170, 1169298), (171, 1162460), (180, 1104337), (190, 1046214), (195, 1019388), (204, 974415), (221, 899460), (228, 871845), (234, 849490), (247, 804780), (255, 779532), (260, 764541), (263, 755820), (285, 697476), (306, 649610), (323, 615420), (340, 584649), (342, 581230), (380, 523107), (390, 509694), (442, 449730), (468, 424745), (494, 402390), (510, 389766), (526, 377910), (570, 348738), (585, 339796), (612, 324805), (646, 307710), (663, 299820), (684, 290615), (741, 268260), (765, 259844), (780, 254847), (789, 251940), (855, 232492), (884, 224865), (969, 205140), (988, 201195), (1020, 194883), (1052, 188955), (1105, 179892), (1140, 174369), (1170, 169898), (1235, 160956), (1292, 153855), (1315, 151164), (1326, 149910), (1482, 134130), (1530, 129922), (1578, 125970), (1615, 123084), (1710, 116246), (1938, 102570), (1989, 99940), (2210, 89946), (2223, 89420), (2340, 84949), (2367, 83980), (2470, 80478), (2630, 75582), (2652, 74955), (2907, 68380), (2964, 67065), (3060, 64961), (3156, 62985), (3230, 61542), (3315, 59964), (3419, 58140), (3420, 58123), (3705, 53652), (3876, 51285), (3945, 50388), (3978, 49970), (4199, 47340), (4420, 44973), (4446, 44710), (4471, 44460), (4734, 41990), (4845, 41028), (4940, 40239), (4997, 39780), (5260, 37791), (5814, 34190), (6460, 30771), (6630, 29982), (6838, 29070), (7410, 26826), (7890, 25194), (7956, 24985), (8398, 23670), (8892, 22355), (8942, 22230), (9468, 20995), (9690, 20514), (9945, 19988), (9994, 19890), (10257, 19380), (11115, 17884), (11628, 17095), (11835, 16796), (12597, 15780), (13260, 14991), (13413, 14820), (13676, 14535)]