311309280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4079}}^1$

素因数の和:4153

約数の個数: 144

約数和(自身を含む): 1082652480

約数和(自身を除く): 771343200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 360, 424, 477, 480, 530, 636, 720, 795, 848, 954, 1060, 1272, 1440, 1590, 1696, 1908, 2120, 2385, 2544, 3180, 3816, 4079, 4240, 4770, 5088, 6360, 7632, 8158, 8480, 9540, 12237, 12720, 15264, 16316, 19080, 20395, 24474, 25440, 32632, 36711, 38160, 40790, 48948, 61185, 65264, 73422, 76320, 81580, 97896, 122370, 130528, 146844, 163160, 183555, 195792, 216187, 244740, 293688, 326320, 367110, 391584, 432374, 489480, 587376, 648561, 652640, 734220, 864748, 978960, 1080935, 1174752, 1297122, 1468440, 1729496, 1945683, 1957920, 2161870, 2594244, 2936880, 3242805, 3458992, 3891366, 4323740, 5188488, 5873760, 6485610, 6917984, 7782732, 8647480, 9728415, 10376976, 12971220, 15565464, 17294960, 19456830, 20753952, 25942440, 31130928, 34589920, 38913660, 51884880, 62261856, 77827320, 103769760, 155654640, 311309280]

約数ペア:

[(1, 311309280), (2, 155654640), (3, 103769760), (4, 77827320), (5, 62261856), (6, 51884880), (8, 38913660), (9, 34589920), (10, 31130928), (12, 25942440), (15, 20753952), (16, 19456830), (18, 17294960), (20, 15565464), (24, 12971220), (30, 10376976), (32, 9728415), (36, 8647480), (40, 7782732), (45, 6917984), (48, 6485610), (53, 5873760), (60, 5188488), (72, 4323740), (80, 3891366), (90, 3458992), (96, 3242805), (106, 2936880), (120, 2594244), (144, 2161870), (159, 1957920), (160, 1945683), (180, 1729496), (212, 1468440), (240, 1297122), (265, 1174752), (288, 1080935), (318, 978960), (360, 864748), (424, 734220), (477, 652640), (480, 648561), (530, 587376), (636, 489480), (720, 432374), (795, 391584), (848, 367110), (954, 326320), (1060, 293688), (1272, 244740), (1440, 216187), (1590, 195792), (1696, 183555), (1908, 163160), (2120, 146844), (2385, 130528), (2544, 122370), (3180, 97896), (3816, 81580), (4079, 76320), (4240, 73422), (4770, 65264), (5088, 61185), (6360, 48948), (7632, 40790), (8158, 38160), (8480, 36711), (9540, 32632), (12237, 25440), (12720, 24474), (15264, 20395), (16316, 19080)]