1218195840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 256

約数和(自身を含む): 4068771840

約数和(自身を除く): 2850576000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 97, 120, 124, 128, 155, 160, 186, 192, 194, 211, 240, 248, 291, 310, 320, 372, 384, 388, 422, 465, 480, 485, 496, 582, 620, 633, 640, 744, 776, 844, 930, 960, 970, 992, 1055, 1164, 1240, 1266, 1455, 1488, 1552, 1688, 1860, 1920, 1940, 1984, 2110, 2328, 2480, 2532, 2910, 2976, 3007, 3104, 3165, 3376, 3720, 3880, 3968, 4220, 4656, 4960, 5064, 5820, 5952, 6014, 6208, 6330, 6541, 6752, 7440, 7760, 8440, 9021, 9312, 9920, 10128, 11640, 11904, 12028, 12416, 12660, 13082, 13504, 14880, 15035, 15520, 16880, 18042, 18624, 19623, 19840, 20256, 20467, 23280, 24056, 25320, 26164, 27008, 29760, 30070, 31040, 32705, 33760, 36084, 37248, 39246, 40512, 40934, 45105, 46560, 48112, 50640, 52328, 59520, 60140, 61401, 62080, 65410, 67520, 72168, 78492, 81024, 81868, 90210, 93120, 96224, 98115, 101280, 102335, 104656, 120280, 122802, 130820, 135040, 144336, 156984, 163736, 180420, 186240, 192448, 196230, 202560, 204670, 209312, 240560, 245604, 261640, 288672, 307005, 313968, 327472, 360840, 384896, 392460, 405120, 409340, 418624, 481120, 491208, 523280, 577344, 614010, 627936, 634477, 654944, 721680, 784920, 818680, 837248, 962240, 982416, 1046560, 1154688, 1228020, 1255872, 1268954, 1309888, 1443360, 1569840, 1637360, 1903431, 1924480, 1964832, 2093120, 2456040, 2511744, 2537908, 2619776, 2886720, 3139680, 3172385, 3274720, 3806862, 3929664, 4186240, 4912080, 5075816, 5773440, 6279360, 6344770, 6549440, 7613724, 7859328, 9517155, 9824160, 10151632, 12558720, 12689540, 13098880, 15227448, 19034310, 19648320, 20303264, 25379080, 30454896, 38068620, 39296640, 40606528, 50758160, 60909792, 76137240, 81213056, 101516320, 121819584, 152274480, 203032640, 243639168, 304548960, 406065280, 609097920, 1218195840]

約数ペア:

[(1, 1218195840), (2, 609097920), (3, 406065280), (4, 304548960), (5, 243639168), (6, 203032640), (8, 152274480), (10, 121819584), (12, 101516320), (15, 81213056), (16, 76137240), (20, 60909792), (24, 50758160), (30, 40606528), (31, 39296640), (32, 38068620), (40, 30454896), (48, 25379080), (60, 20303264), (62, 19648320), (64, 19034310), (80, 15227448), (93, 13098880), (96, 12689540), (97, 12558720), (120, 10151632), (124, 9824160), (128, 9517155), (155, 7859328), (160, 7613724), (186, 6549440), (192, 6344770), (194, 6279360), (211, 5773440), (240, 5075816), (248, 4912080), (291, 4186240), (310, 3929664), (320, 3806862), (372, 3274720), (384, 3172385), (388, 3139680), (422, 2886720), (465, 2619776), (480, 2537908), (485, 2511744), (496, 2456040), (582, 2093120), (620, 1964832), (633, 1924480), (640, 1903431), (744, 1637360), (776, 1569840), (844, 1443360), (930, 1309888), (960, 1268954), (970, 1255872), (992, 1228020), (1055, 1154688), (1164, 1046560), (1240, 982416), (1266, 962240), (1455, 837248), (1488, 818680), (1552, 784920), (1688, 721680), (1860, 654944), (1920, 634477), (1940, 627936), (1984, 614010), (2110, 577344), (2328, 523280), (2480, 491208), (2532, 481120), (2910, 418624), (2976, 409340), (3007, 405120), (3104, 392460), (3165, 384896), (3376, 360840), (3720, 327472), (3880, 313968), (3968, 307005), (4220, 288672), (4656, 261640), (4960, 245604), (5064, 240560), (5820, 209312), (5952, 204670), (6014, 202560), (6208, 196230), (6330, 192448), (6541, 186240), (6752, 180420), (7440, 163736), (7760, 156984), (8440, 144336), (9021, 135040), (9312, 130820), (9920, 122802), (10128, 120280), (11640, 104656), (11904, 102335), (12028, 101280), (12416, 98115), (12660, 96224), (13082, 93120), (13504, 90210), (14880, 81868), (15035, 81024), (15520, 78492), (16880, 72168), (18042, 67520), (18624, 65410), (19623, 62080), (19840, 61401), (20256, 60140), (20467, 59520), (23280, 52328), (24056, 50640), (25320, 48112), (26164, 46560), (27008, 45105), (29760, 40934), (30070, 40512), (31040, 39246), (32705, 37248), (33760, 36084)]