9947456080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 240

約数和(自身を含む): 25906341888

約数和(自身を除く): 15958885808

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 41, 62, 76, 80, 82, 95, 124, 152, 155, 164, 190, 205, 248, 271, 304, 310, 328, 361, 380, 410, 496, 542, 589, 620, 656, 722, 760, 779, 820, 1084, 1178, 1240, 1271, 1355, 1444, 1520, 1558, 1640, 1805, 2168, 2356, 2480, 2542, 2710, 2888, 2945, 3116, 3280, 3610, 3895, 4336, 4712, 5084, 5149, 5420, 5776, 5890, 6232, 6355, 7220, 7790, 8401, 9424, 10168, 10298, 10840, 11111, 11191, 11780, 12464, 12710, 14440, 14801, 15580, 16802, 20336, 20596, 21680, 22222, 22382, 23560, 24149, 25420, 25745, 28880, 29602, 31160, 33604, 41192, 42005, 44444, 44764, 47120, 48298, 50840, 51490, 55555, 55955, 59204, 62320, 67208, 74005, 82384, 84010, 88888, 89528, 96596, 97831, 101680, 102980, 111110, 111910, 118408, 120745, 134416, 148010, 159619, 168020, 177776, 179056, 193192, 195662, 205960, 211109, 222220, 223820, 236816, 241490, 296020, 319238, 336040, 344441, 386384, 391324, 411920, 422218, 444440, 447640, 458831, 482980, 489155, 592040, 638476, 672080, 688882, 782648, 798095, 844436, 888880, 895280, 917662, 965960, 978310, 1055545, 1184080, 1276952, 1377764, 1565296, 1596190, 1688872, 1722205, 1835324, 1931920, 1956620, 2111090, 2294155, 2553904, 2755528, 3032761, 3192380, 3377744, 3444410, 3670648, 3913240, 4011071, 4222180, 4588310, 5511056, 6065522, 6384760, 6544379, 6888820, 7341296, 7826480, 8022142, 8444360, 9176620, 12131044, 12769520, 13088758, 13777640, 15163805, 16044284, 16888720, 18353240, 20055355, 24262088, 26177516, 27555280, 30327610, 32088568, 32721895, 36706480, 40110710, 48524176, 52355032, 60655220, 64177136, 65443790, 80221420, 104710064, 121310440, 124343201, 130887580, 160442840, 242620880, 248686402, 261775160, 320885680, 497372804, 523550320, 621716005, 994745608, 1243432010, 1989491216, 2486864020, 4973728040, 9947456080]

約数ペア:

[(1, 9947456080), (2, 4973728040), (4, 2486864020), (5, 1989491216), (8, 1243432010), (10, 994745608), (16, 621716005), (19, 523550320), (20, 497372804), (31, 320885680), (38, 261775160), (40, 248686402), (41, 242620880), (62, 160442840), (76, 130887580), (80, 124343201), (82, 121310440), (95, 104710064), (124, 80221420), (152, 65443790), (155, 64177136), (164, 60655220), (190, 52355032), (205, 48524176), (248, 40110710), (271, 36706480), (304, 32721895), (310, 32088568), (328, 30327610), (361, 27555280), (380, 26177516), (410, 24262088), (496, 20055355), (542, 18353240), (589, 16888720), (620, 16044284), (656, 15163805), (722, 13777640), (760, 13088758), (779, 12769520), (820, 12131044), (1084, 9176620), (1178, 8444360), (1240, 8022142), (1271, 7826480), (1355, 7341296), (1444, 6888820), (1520, 6544379), (1558, 6384760), (1640, 6065522), (1805, 5511056), (2168, 4588310), (2356, 4222180), (2480, 4011071), (2542, 3913240), (2710, 3670648), (2888, 3444410), (2945, 3377744), (3116, 3192380), (3280, 3032761), (3610, 2755528), (3895, 2553904), (4336, 2294155), (4712, 2111090), (5084, 1956620), (5149, 1931920), (5420, 1835324), (5776, 1722205), (5890, 1688872), (6232, 1596190), (6355, 1565296), (7220, 1377764), (7790, 1276952), (8401, 1184080), (9424, 1055545), (10168, 978310), (10298, 965960), (10840, 917662), (11111, 895280), (11191, 888880), (11780, 844436), (12464, 798095), (12710, 782648), (14440, 688882), (14801, 672080), (15580, 638476), (16802, 592040), (20336, 489155), (20596, 482980), (21680, 458831), (22222, 447640), (22382, 444440), (23560, 422218), (24149, 411920), (25420, 391324), (25745, 386384), (28880, 344441), (29602, 336040), (31160, 319238), (33604, 296020), (41192, 241490), (42005, 236816), (44444, 223820), (44764, 222220), (47120, 211109), (48298, 205960), (50840, 195662), (51490, 193192), (55555, 179056), (55955, 177776), (59204, 168020), (62320, 159619), (67208, 148010), (74005, 134416), (82384, 120745), (84010, 118408), (88888, 111910), (89528, 111110), (96596, 102980), (97831, 101680)]