311346720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:864

約数の個数: 192

約数和(自身を含む): 1102429440

約数和(自身を除く): 791082720

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, 72, 80, 90, 96, 97, 108, 120, 135, 144, 160, 180, 194, 216, 240, 270, 288, 291, 360, 388, 432, 480, 485, 540, 582, 720, 743, 776, 864, 873, 970, 1080, 1164, 1440, 1455, 1486, 1552, 1746, 1940, 2160, 2229, 2328, 2619, 2910, 2972, 3104, 3492, 3715, 3880, 4320, 4365, 4458, 4656, 5238, 5820, 5944, 6687, 6984, 7430, 7760, 8730, 8916, 9312, 10476, 11145, 11640, 11888, 13095, 13374, 13968, 14860, 15520, 17460, 17832, 20061, 20952, 22290, 23280, 23776, 26190, 26748, 27936, 29720, 33435, 34920, 35664, 40122, 41904, 44580, 46560, 52380, 53496, 59440, 66870, 69840, 71328, 72071, 80244, 83808, 89160, 100305, 104760, 106992, 118880, 133740, 139680, 144142, 160488, 178320, 200610, 209520, 213984, 216213, 267480, 288284, 320976, 356640, 360355, 401220, 419040, 432426, 534960, 576568, 641952, 648639, 720710, 802440, 864852, 1069920, 1081065, 1153136, 1297278, 1441420, 1604880, 1729704, 1945917, 2162130, 2306272, 2594556, 2882840, 3209760, 3243195, 3459408, 3891834, 4324260, 5189112, 5765680, 6486390, 6918816, 7783668, 8648520, 9729585, 10378224, 11531360, 12972780, 15567336, 17297040, 19459170, 20756448, 25945560, 31134672, 34594080, 38918340, 51891120, 62269344, 77836680, 103782240, 155673360, 311346720]

約数ペア:

[(1, 311346720), (2, 155673360), (3, 103782240), (4, 77836680), (5, 62269344), (6, 51891120), (8, 38918340), (9, 34594080), (10, 31134672), (12, 25945560), (15, 20756448), (16, 19459170), (18, 17297040), (20, 15567336), (24, 12972780), (27, 11531360), (30, 10378224), (32, 9729585), (36, 8648520), (40, 7783668), (45, 6918816), (48, 6486390), (54, 5765680), (60, 5189112), (72, 4324260), (80, 3891834), (90, 3459408), (96, 3243195), (97, 3209760), (108, 2882840), (120, 2594556), (135, 2306272), (144, 2162130), (160, 1945917), (180, 1729704), (194, 1604880), (216, 1441420), (240, 1297278), (270, 1153136), (288, 1081065), (291, 1069920), (360, 864852), (388, 802440), (432, 720710), (480, 648639), (485, 641952), (540, 576568), (582, 534960), (720, 432426), (743, 419040), (776, 401220), (864, 360355), (873, 356640), (970, 320976), (1080, 288284), (1164, 267480), (1440, 216213), (1455, 213984), (1486, 209520), (1552, 200610), (1746, 178320), (1940, 160488), (2160, 144142), (2229, 139680), (2328, 133740), (2619, 118880), (2910, 106992), (2972, 104760), (3104, 100305), (3492, 89160), (3715, 83808), (3880, 80244), (4320, 72071), (4365, 71328), (4458, 69840), (4656, 66870), (5238, 59440), (5820, 53496), (5944, 52380), (6687, 46560), (6984, 44580), (7430, 41904), (7760, 40122), (8730, 35664), (8916, 34920), (9312, 33435), (10476, 29720), (11145, 27936), (11640, 26748), (11888, 26190), (13095, 23776), (13374, 23280), (13968, 22290), (14860, 20952), (15520, 20061), (17460, 17832)]