217149840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 783954288

約数和(自身を除く): 566804448

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, 102, 113, 120, 136, 144, 153, 157, 170, 180, 204, 226, 240, 255, 272, 306, 314, 339, 340, 360, 408, 452, 471, 510, 565, 612, 628, 678, 680, 720, 765, 785, 816, 904, 942, 1017, 1020, 1130, 1224, 1256, 1356, 1360, 1413, 1530, 1570, 1695, 1808, 1884, 1921, 2034, 2040, 2260, 2355, 2448, 2512, 2669, 2712, 2826, 3060, 3140, 3390, 3768, 3842, 4068, 4080, 4520, 4710, 5085, 5338, 5424, 5652, 5763, 6120, 6280, 6780, 7065, 7536, 7684, 8007, 8136, 9040, 9420, 9605, 10170, 10676, 11304, 11526, 12240, 12560, 13345, 13560, 14130, 15368, 16014, 16272, 17289, 17741, 18840, 19210, 20340, 21352, 22608, 23052, 24021, 26690, 27120, 28260, 28815, 30736, 32028, 34578, 35482, 37680, 38420, 40035, 40680, 42704, 46104, 48042, 53223, 53380, 56520, 57630, 64056, 69156, 70964, 76840, 80070, 81360, 86445, 88705, 92208, 96084, 106446, 106760, 113040, 115260, 120105, 128112, 138312, 141928, 153680, 159669, 160140, 172890, 177410, 192168, 212892, 213520, 230520, 240210, 266115, 276624, 283856, 301597, 319338, 320280, 345780, 354820, 384336, 425784, 461040, 480420, 532230, 603194, 638676, 640560, 691560, 709640, 798345, 851568, 904791, 960840, 1064460, 1206388, 1277352, 1383120, 1419280, 1507985, 1596690, 1809582, 1921680, 2128920, 2412776, 2554704, 2714373, 3015970, 3193380, 3619164, 4257840, 4523955, 4825552, 5428746, 6031940, 6386760, 7238328, 9047910, 10857492, 12063880, 12773520, 13571865, 14476656, 18095820, 21714984, 24127760, 27143730, 36191640, 43429968, 54287460, 72383280, 108574920, 217149840]

約数ペア:

[(1, 217149840), (2, 108574920), (3, 72383280), (4, 54287460), (5, 43429968), (6, 36191640), (8, 27143730), (9, 24127760), (10, 21714984), (12, 18095820), (15, 14476656), (16, 13571865), (17, 12773520), (18, 12063880), (20, 10857492), (24, 9047910), (30, 7238328), (34, 6386760), (36, 6031940), (40, 5428746), (45, 4825552), (48, 4523955), (51, 4257840), (60, 3619164), (68, 3193380), (72, 3015970), (80, 2714373), (85, 2554704), (90, 2412776), (102, 2128920), (113, 1921680), (120, 1809582), (136, 1596690), (144, 1507985), (153, 1419280), (157, 1383120), (170, 1277352), (180, 1206388), (204, 1064460), (226, 960840), (240, 904791), (255, 851568), (272, 798345), (306, 709640), (314, 691560), (339, 640560), (340, 638676), (360, 603194), (408, 532230), (452, 480420), (471, 461040), (510, 425784), (565, 384336), (612, 354820), (628, 345780), (678, 320280), (680, 319338), (720, 301597), (765, 283856), (785, 276624), (816, 266115), (904, 240210), (942, 230520), (1017, 213520), (1020, 212892), (1130, 192168), (1224, 177410), (1256, 172890), (1356, 160140), (1360, 159669), (1413, 153680), (1530, 141928), (1570, 138312), (1695, 128112), (1808, 120105), (1884, 115260), (1921, 113040), (2034, 106760), (2040, 106446), (2260, 96084), (2355, 92208), (2448, 88705), (2512, 86445), (2669, 81360), (2712, 80070), (2826, 76840), (3060, 70964), (3140, 69156), (3390, 64056), (3768, 57630), (3842, 56520), (4068, 53380), (4080, 53223), (4520, 48042), (4710, 46104), (5085, 42704), (5338, 40680), (5424, 40035), (5652, 38420), (5763, 37680), (6120, 35482), (6280, 34578), (6780, 32028), (7065, 30736), (7536, 28815), (7684, 28260), (8007, 27120), (8136, 26690), (9040, 24021), (9420, 23052), (9605, 22608), (10170, 21352), (10676, 20340), (11304, 19210), (11526, 18840), (12240, 17741), (12560, 17289), (13345, 16272), (13560, 16014), (14130, 15368)]