198447840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 192

約数和(自身を含む): 705438720

約数和(自身を除く): 506990880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 96, 108, 120, 135, 142, 144, 160, 180, 213, 216, 240, 270, 284, 288, 355, 360, 426, 432, 480, 540, 568, 639, 647, 710, 720, 852, 864, 1065, 1080, 1136, 1278, 1294, 1420, 1440, 1704, 1917, 1941, 2130, 2160, 2272, 2556, 2588, 2840, 3195, 3235, 3408, 3834, 3882, 4260, 4320, 5112, 5176, 5680, 5823, 6390, 6470, 6816, 7668, 7764, 8520, 9585, 9705, 10224, 10352, 11360, 11646, 12780, 12940, 15336, 15528, 17040, 17469, 19170, 19410, 20448, 20704, 23292, 25560, 25880, 29115, 30672, 31056, 34080, 34938, 38340, 38820, 45937, 46584, 51120, 51760, 58230, 61344, 62112, 69876, 76680, 77640, 87345, 91874, 93168, 102240, 103520, 116460, 137811, 139752, 153360, 155280, 174690, 183748, 186336, 229685, 232920, 275622, 279504, 306720, 310560, 349380, 367496, 413433, 459370, 465840, 551244, 559008, 689055, 698760, 734992, 826866, 918740, 931680, 1102488, 1240299, 1378110, 1397520, 1469984, 1653732, 1837480, 2067165, 2204976, 2480598, 2756220, 2795040, 3307464, 3674960, 4134330, 4409952, 4961196, 5512440, 6201495, 6614928, 7349920, 8268660, 9922392, 11024880, 12402990, 13229856, 16537320, 19844784, 22049760, 24805980, 33074640, 39689568, 49611960, 66149280, 99223920, 198447840]

約数ペア:

[(1, 198447840), (2, 99223920), (3, 66149280), (4, 49611960), (5, 39689568), (6, 33074640), (8, 24805980), (9, 22049760), (10, 19844784), (12, 16537320), (15, 13229856), (16, 12402990), (18, 11024880), (20, 9922392), (24, 8268660), (27, 7349920), (30, 6614928), (32, 6201495), (36, 5512440), (40, 4961196), (45, 4409952), (48, 4134330), (54, 3674960), (60, 3307464), (71, 2795040), (72, 2756220), (80, 2480598), (90, 2204976), (96, 2067165), (108, 1837480), (120, 1653732), (135, 1469984), (142, 1397520), (144, 1378110), (160, 1240299), (180, 1102488), (213, 931680), (216, 918740), (240, 826866), (270, 734992), (284, 698760), (288, 689055), (355, 559008), (360, 551244), (426, 465840), (432, 459370), (480, 413433), (540, 367496), (568, 349380), (639, 310560), (647, 306720), (710, 279504), (720, 275622), (852, 232920), (864, 229685), (1065, 186336), (1080, 183748), (1136, 174690), (1278, 155280), (1294, 153360), (1420, 139752), (1440, 137811), (1704, 116460), (1917, 103520), (1941, 102240), (2130, 93168), (2160, 91874), (2272, 87345), (2556, 77640), (2588, 76680), (2840, 69876), (3195, 62112), (3235, 61344), (3408, 58230), (3834, 51760), (3882, 51120), (4260, 46584), (4320, 45937), (5112, 38820), (5176, 38340), (5680, 34938), (5823, 34080), (6390, 31056), (6470, 30672), (6816, 29115), (7668, 25880), (7764, 25560), (8520, 23292), (9585, 20704), (9705, 20448), (10224, 19410), (10352, 19170), (11360, 17469), (11646, 17040), (12780, 15528), (12940, 15336)]