247997520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 240

約数和(自身を含む): 883943424

約数和(自身を除く): 635945904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 41, 45, 48, 60, 62, 72, 80, 82, 90, 93, 120, 123, 124, 144, 155, 164, 180, 186, 205, 240, 246, 248, 271, 279, 310, 328, 360, 369, 372, 410, 465, 492, 496, 542, 558, 615, 620, 656, 720, 738, 744, 813, 820, 930, 984, 1084, 1116, 1230, 1240, 1271, 1355, 1395, 1476, 1488, 1626, 1640, 1845, 1860, 1968, 2168, 2232, 2439, 2460, 2480, 2542, 2710, 2790, 2952, 3252, 3280, 3690, 3720, 3813, 4065, 4336, 4464, 4878, 4920, 5084, 5420, 5580, 5904, 6355, 6504, 7380, 7440, 7626, 8130, 8401, 9756, 9840, 10168, 10840, 11111, 11160, 11439, 12195, 12710, 13008, 14760, 15252, 16260, 16802, 19065, 19512, 20336, 21680, 22222, 22320, 22878, 24390, 25203, 25420, 29520, 30504, 32520, 33333, 33604, 38130, 39024, 42005, 44444, 45756, 48780, 50406, 50840, 55555, 57195, 61008, 65040, 66666, 67208, 75609, 76260, 84010, 88888, 91512, 97560, 99999, 100812, 101680, 111110, 114390, 126015, 133332, 134416, 151218, 152520, 166665, 168020, 177776, 183024, 195120, 199998, 201624, 222220, 228780, 252030, 266664, 302436, 305040, 333330, 336040, 344441, 378045, 399996, 403248, 444440, 457560, 499995, 504060, 533328, 604872, 666660, 672080, 688882, 756090, 799992, 888880, 915120, 999990, 1008120, 1033323, 1209744, 1333320, 1377764, 1512180, 1599984, 1722205, 1999980, 2016240, 2066646, 2666640, 2755528, 3024360, 3099969, 3444410, 3999960, 4133292, 5166615, 5511056, 6048720, 6199938, 6888820, 7999920, 8266584, 10333230, 12399876, 13777640, 15499845, 16533168, 20666460, 24799752, 27555280, 30999690, 41332920, 49599504, 61999380, 82665840, 123998760, 247997520]

約数ペア:

[(1, 247997520), (2, 123998760), (3, 82665840), (4, 61999380), (5, 49599504), (6, 41332920), (8, 30999690), (9, 27555280), (10, 24799752), (12, 20666460), (15, 16533168), (16, 15499845), (18, 13777640), (20, 12399876), (24, 10333230), (30, 8266584), (31, 7999920), (36, 6888820), (40, 6199938), (41, 6048720), (45, 5511056), (48, 5166615), (60, 4133292), (62, 3999960), (72, 3444410), (80, 3099969), (82, 3024360), (90, 2755528), (93, 2666640), (120, 2066646), (123, 2016240), (124, 1999980), (144, 1722205), (155, 1599984), (164, 1512180), (180, 1377764), (186, 1333320), (205, 1209744), (240, 1033323), (246, 1008120), (248, 999990), (271, 915120), (279, 888880), (310, 799992), (328, 756090), (360, 688882), (369, 672080), (372, 666660), (410, 604872), (465, 533328), (492, 504060), (496, 499995), (542, 457560), (558, 444440), (615, 403248), (620, 399996), (656, 378045), (720, 344441), (738, 336040), (744, 333330), (813, 305040), (820, 302436), (930, 266664), (984, 252030), (1084, 228780), (1116, 222220), (1230, 201624), (1240, 199998), (1271, 195120), (1355, 183024), (1395, 177776), (1476, 168020), (1488, 166665), (1626, 152520), (1640, 151218), (1845, 134416), (1860, 133332), (1968, 126015), (2168, 114390), (2232, 111110), (2439, 101680), (2460, 100812), (2480, 99999), (2542, 97560), (2710, 91512), (2790, 88888), (2952, 84010), (3252, 76260), (3280, 75609), (3690, 67208), (3720, 66666), (3813, 65040), (4065, 61008), (4336, 57195), (4464, 55555), (4878, 50840), (4920, 50406), (5084, 48780), (5420, 45756), (5580, 44444), (5904, 42005), (6355, 39024), (6504, 38130), (7380, 33604), (7440, 33333), (7626, 32520), (8130, 30504), (8401, 29520), (9756, 25420), (9840, 25203), (10168, 24390), (10840, 22878), (11111, 22320), (11160, 22222), (11439, 21680), (12195, 20336), (12710, 19512), (13008, 19065), (14760, 16802), (15252, 16260)]