311925180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^2$

素因数の和:201

約数の個数: 216

約数和(自身を含む): 1089538128

約数和(自身を除く): 777612948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 79, 84, 85, 98, 102, 105, 119, 140, 147, 158, 170, 196, 204, 210, 237, 238, 245, 255, 294, 316, 340, 357, 395, 420, 474, 476, 490, 510, 553, 588, 595, 714, 735, 790, 833, 948, 980, 1020, 1106, 1185, 1190, 1343, 1428, 1470, 1580, 1659, 1666, 1785, 2212, 2370, 2380, 2499, 2686, 2765, 2940, 3318, 3332, 3570, 3871, 4029, 4165, 4740, 4998, 5372, 5530, 6241, 6636, 6715, 7140, 7742, 8058, 8295, 8330, 9401, 9996, 11060, 11613, 12482, 12495, 13430, 15484, 16116, 16590, 16660, 18723, 18802, 19355, 20145, 23226, 24964, 24990, 26860, 28203, 31205, 33180, 37446, 37604, 38710, 40290, 43687, 46452, 47005, 49980, 56406, 58065, 62410, 65807, 74892, 77420, 80580, 87374, 93615, 94010, 106097, 112812, 116130, 124820, 131061, 131614, 141015, 174748, 187230, 188020, 197421, 212194, 218435, 232260, 262122, 263228, 282030, 305809, 318291, 329035, 374460, 394842, 424388, 436870, 524244, 530485, 564060, 611618, 636582, 655305, 658070, 742679, 789684, 873740, 917427, 987105, 1060970, 1223236, 1273164, 1310610, 1316140, 1485358, 1529045, 1591455, 1834854, 1974210, 2121940, 2228037, 2621220, 2970716, 3058090, 3182910, 3669708, 3713395, 3948420, 4456074, 4587135, 5198753, 6116180, 6365820, 7426790, 8912148, 9174270, 10397506, 11140185, 14853580, 15596259, 18348540, 20795012, 22280370, 25993765, 31192518, 44560740, 51987530, 62385036, 77981295, 103975060, 155962590, 311925180]

約数ペア:

[(1, 311925180), (2, 155962590), (3, 103975060), (4, 77981295), (5, 62385036), (6, 51987530), (7, 44560740), (10, 31192518), (12, 25993765), (14, 22280370), (15, 20795012), (17, 18348540), (20, 15596259), (21, 14853580), (28, 11140185), (30, 10397506), (34, 9174270), (35, 8912148), (42, 7426790), (49, 6365820), (51, 6116180), (60, 5198753), (68, 4587135), (70, 4456074), (79, 3948420), (84, 3713395), (85, 3669708), (98, 3182910), (102, 3058090), (105, 2970716), (119, 2621220), (140, 2228037), (147, 2121940), (158, 1974210), (170, 1834854), (196, 1591455), (204, 1529045), (210, 1485358), (237, 1316140), (238, 1310610), (245, 1273164), (255, 1223236), (294, 1060970), (316, 987105), (340, 917427), (357, 873740), (395, 789684), (420, 742679), (474, 658070), (476, 655305), (490, 636582), (510, 611618), (553, 564060), (588, 530485), (595, 524244), (714, 436870), (735, 424388), (790, 394842), (833, 374460), (948, 329035), (980, 318291), (1020, 305809), (1106, 282030), (1185, 263228), (1190, 262122), (1343, 232260), (1428, 218435), (1470, 212194), (1580, 197421), (1659, 188020), (1666, 187230), (1785, 174748), (2212, 141015), (2370, 131614), (2380, 131061), (2499, 124820), (2686, 116130), (2765, 112812), (2940, 106097), (3318, 94010), (3332, 93615), (3570, 87374), (3871, 80580), (4029, 77420), (4165, 74892), (4740, 65807), (4998, 62410), (5372, 58065), (5530, 56406), (6241, 49980), (6636, 47005), (6715, 46452), (7140, 43687), (7742, 40290), (8058, 38710), (8295, 37604), (8330, 37446), (9401, 33180), (9996, 31205), (11060, 28203), (11613, 26860), (12482, 24990), (12495, 24964), (13430, 23226), (15484, 20145), (16116, 19355), (16590, 18802), (16660, 18723)]