279228240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 240

約数和(自身を含む): 995829120

約数和(自身を除く): 716600880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 43, 45, 48, 58, 60, 72, 80, 86, 87, 90, 116, 120, 129, 144, 145, 172, 174, 180, 215, 232, 240, 258, 261, 290, 311, 344, 348, 360, 387, 430, 435, 464, 516, 522, 580, 622, 645, 688, 696, 720, 774, 860, 870, 933, 1032, 1044, 1160, 1244, 1247, 1290, 1305, 1392, 1548, 1555, 1720, 1740, 1866, 1935, 2064, 2088, 2320, 2488, 2494, 2580, 2610, 2799, 3096, 3110, 3440, 3480, 3732, 3741, 3870, 4176, 4665, 4976, 4988, 5160, 5220, 5598, 6192, 6220, 6235, 6960, 7464, 7482, 7740, 9019, 9330, 9976, 10320, 10440, 11196, 11223, 12440, 12470, 13373, 13995, 14928, 14964, 15480, 18038, 18660, 18705, 19952, 20880, 22392, 22446, 24880, 24940, 26746, 27057, 27990, 29928, 30960, 36076, 37320, 37410, 40119, 44784, 44892, 45095, 49880, 53492, 54114, 55980, 56115, 59856, 66865, 72152, 74640, 74820, 80238, 81171, 89784, 90190, 99760, 106984, 108228, 111960, 112230, 120357, 133730, 135285, 144304, 149640, 160476, 162342, 179568, 180380, 200595, 213968, 216456, 223920, 224460, 240714, 267460, 270570, 299280, 320952, 324684, 360760, 387817, 401190, 405855, 432912, 448920, 481428, 534920, 541140, 601785, 641904, 649368, 721520, 775634, 802380, 811710, 897840, 962856, 1069840, 1082280, 1163451, 1203570, 1298736, 1551268, 1604760, 1623420, 1925712, 1939085, 2164560, 2326902, 2407140, 3102536, 3209520, 3246840, 3490353, 3878170, 4653804, 4814280, 5817255, 6205072, 6493680, 6980706, 7756340, 9307608, 9628560, 11634510, 13961412, 15512680, 17451765, 18615216, 23269020, 27922824, 31025360, 34903530, 46538040, 55845648, 69807060, 93076080, 139614120, 279228240]

約数ペア:

[(1, 279228240), (2, 139614120), (3, 93076080), (4, 69807060), (5, 55845648), (6, 46538040), (8, 34903530), (9, 31025360), (10, 27922824), (12, 23269020), (15, 18615216), (16, 17451765), (18, 15512680), (20, 13961412), (24, 11634510), (29, 9628560), (30, 9307608), (36, 7756340), (40, 6980706), (43, 6493680), (45, 6205072), (48, 5817255), (58, 4814280), (60, 4653804), (72, 3878170), (80, 3490353), (86, 3246840), (87, 3209520), (90, 3102536), (116, 2407140), (120, 2326902), (129, 2164560), (144, 1939085), (145, 1925712), (172, 1623420), (174, 1604760), (180, 1551268), (215, 1298736), (232, 1203570), (240, 1163451), (258, 1082280), (261, 1069840), (290, 962856), (311, 897840), (344, 811710), (348, 802380), (360, 775634), (387, 721520), (430, 649368), (435, 641904), (464, 601785), (516, 541140), (522, 534920), (580, 481428), (622, 448920), (645, 432912), (688, 405855), (696, 401190), (720, 387817), (774, 360760), (860, 324684), (870, 320952), (933, 299280), (1032, 270570), (1044, 267460), (1160, 240714), (1244, 224460), (1247, 223920), (1290, 216456), (1305, 213968), (1392, 200595), (1548, 180380), (1555, 179568), (1720, 162342), (1740, 160476), (1866, 149640), (1935, 144304), (2064, 135285), (2088, 133730), (2320, 120357), (2488, 112230), (2494, 111960), (2580, 108228), (2610, 106984), (2799, 99760), (3096, 90190), (3110, 89784), (3440, 81171), (3480, 80238), (3732, 74820), (3741, 74640), (3870, 72152), (4176, 66865), (4665, 59856), (4976, 56115), (4988, 55980), (5160, 54114), (5220, 53492), (5598, 49880), (6192, 45095), (6220, 44892), (6235, 44784), (6960, 40119), (7464, 37410), (7482, 37320), (7740, 36076), (9019, 30960), (9330, 29928), (9976, 27990), (10320, 27057), (10440, 26746), (11196, 24940), (11223, 24880), (12440, 22446), (12470, 22392), (13373, 20880), (13995, 19952), (14928, 18705), (14964, 18660), (15480, 18038)]