205399440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 742171248

約数和(自身を除く): 536771808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 97, 102, 120, 136, 144, 153, 170, 173, 180, 194, 204, 240, 255, 272, 291, 306, 340, 346, 360, 388, 408, 485, 510, 519, 582, 612, 680, 692, 720, 765, 776, 816, 865, 873, 970, 1020, 1038, 1164, 1224, 1360, 1384, 1455, 1530, 1552, 1557, 1649, 1730, 1746, 1940, 2040, 2076, 2328, 2448, 2595, 2768, 2910, 2941, 3060, 3114, 3298, 3460, 3492, 3880, 4080, 4152, 4365, 4656, 4947, 5190, 5820, 5882, 6120, 6228, 6596, 6920, 6984, 7760, 7785, 8245, 8304, 8730, 8823, 9894, 10380, 11640, 11764, 12240, 12456, 13192, 13840, 13968, 14705, 14841, 15570, 16490, 16781, 17460, 17646, 19788, 20760, 23280, 23528, 24735, 24912, 26384, 26469, 29410, 29682, 31140, 32980, 33562, 34920, 35292, 39576, 41520, 44115, 47056, 49470, 50343, 52938, 58820, 59364, 62280, 65960, 67124, 69840, 70584, 74205, 79152, 83905, 88230, 98940, 100686, 105876, 117640, 118728, 124560, 131920, 132345, 134248, 141168, 148410, 151029, 167810, 176460, 197880, 201372, 211752, 235280, 237456, 251715, 264690, 268496, 285277, 296820, 302058, 335620, 352920, 395760, 402744, 423504, 503430, 529380, 570554, 593640, 604116, 671240, 705840, 755145, 805488, 855831, 1006860, 1058760, 1141108, 1187280, 1208232, 1342480, 1426385, 1510290, 1711662, 2013720, 2117520, 2282216, 2416464, 2567493, 2852770, 3020580, 3423324, 4027440, 4279155, 4564432, 5134986, 5705540, 6041160, 6846648, 8558310, 10269972, 11411080, 12082320, 12837465, 13693296, 17116620, 20539944, 22822160, 25674930, 34233240, 41079888, 51349860, 68466480, 102699720, 205399440]

約数ペア:

[(1, 205399440), (2, 102699720), (3, 68466480), (4, 51349860), (5, 41079888), (6, 34233240), (8, 25674930), (9, 22822160), (10, 20539944), (12, 17116620), (15, 13693296), (16, 12837465), (17, 12082320), (18, 11411080), (20, 10269972), (24, 8558310), (30, 6846648), (34, 6041160), (36, 5705540), (40, 5134986), (45, 4564432), (48, 4279155), (51, 4027440), (60, 3423324), (68, 3020580), (72, 2852770), (80, 2567493), (85, 2416464), (90, 2282216), (97, 2117520), (102, 2013720), (120, 1711662), (136, 1510290), (144, 1426385), (153, 1342480), (170, 1208232), (173, 1187280), (180, 1141108), (194, 1058760), (204, 1006860), (240, 855831), (255, 805488), (272, 755145), (291, 705840), (306, 671240), (340, 604116), (346, 593640), (360, 570554), (388, 529380), (408, 503430), (485, 423504), (510, 402744), (519, 395760), (582, 352920), (612, 335620), (680, 302058), (692, 296820), (720, 285277), (765, 268496), (776, 264690), (816, 251715), (865, 237456), (873, 235280), (970, 211752), (1020, 201372), (1038, 197880), (1164, 176460), (1224, 167810), (1360, 151029), (1384, 148410), (1455, 141168), (1530, 134248), (1552, 132345), (1557, 131920), (1649, 124560), (1730, 118728), (1746, 117640), (1940, 105876), (2040, 100686), (2076, 98940), (2328, 88230), (2448, 83905), (2595, 79152), (2768, 74205), (2910, 70584), (2941, 69840), (3060, 67124), (3114, 65960), (3298, 62280), (3460, 59364), (3492, 58820), (3880, 52938), (4080, 50343), (4152, 49470), (4365, 47056), (4656, 44115), (4947, 41520), (5190, 39576), (5820, 35292), (5882, 34920), (6120, 33562), (6228, 32980), (6596, 31140), (6920, 29682), (6984, 29410), (7760, 26469), (7785, 26384), (8245, 24912), (8304, 24735), (8730, 23528), (8823, 23280), (9894, 20760), (10380, 19788), (11640, 17646), (11764, 17460), (12240, 16781), (12456, 16490), (13192, 15570), (13840, 14841), (13968, 14705)]