400056480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 288

約数和(自身を含む): 1460519424

約数和(自身を除く): 1060462944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 47, 48, 60, 69, 72, 80, 90, 92, 94, 96, 115, 120, 138, 141, 144, 160, 180, 184, 188, 207, 230, 235, 240, 257, 276, 282, 288, 345, 360, 368, 376, 414, 423, 460, 470, 480, 514, 552, 564, 690, 705, 720, 736, 752, 771, 828, 846, 920, 940, 1028, 1035, 1081, 1104, 1128, 1285, 1380, 1410, 1440, 1504, 1542, 1656, 1692, 1840, 1880, 2056, 2070, 2115, 2162, 2208, 2256, 2313, 2570, 2760, 2820, 3084, 3243, 3312, 3384, 3680, 3760, 3855, 4112, 4140, 4230, 4324, 4512, 4626, 5140, 5405, 5520, 5640, 5911, 6168, 6486, 6624, 6768, 7520, 7710, 8224, 8280, 8460, 8648, 9252, 9729, 10280, 10810, 11040, 11280, 11565, 11822, 12079, 12336, 12972, 13536, 15420, 16215, 16560, 16920, 17296, 17733, 18504, 19458, 20560, 21620, 22560, 23130, 23644, 24158, 24672, 25944, 29555, 30840, 32430, 33120, 33840, 34592, 35466, 36237, 37008, 38916, 41120, 43240, 46260, 47288, 48316, 48645, 51888, 53199, 59110, 60395, 61680, 64860, 67680, 70932, 72474, 74016, 77832, 86480, 88665, 92520, 94576, 96632, 97290, 103776, 106398, 108711, 118220, 120790, 123360, 129720, 141864, 144948, 155664, 172960, 177330, 181185, 185040, 189152, 193264, 194580, 212796, 217422, 236440, 241580, 259440, 265995, 277817, 283728, 289896, 311328, 354660, 362370, 370080, 386528, 389160, 425592, 434844, 472880, 483160, 518880, 531990, 543555, 555634, 567456, 579792, 709320, 724740, 778320, 833451, 851184, 869688, 945760, 966320, 1063980, 1087110, 1111268, 1159584, 1389085, 1418640, 1449480, 1556640, 1666902, 1702368, 1739376, 1932640, 2127960, 2174220, 2222536, 2500353, 2778170, 2837280, 2898960, 3333804, 3478752, 4167255, 4255920, 4348440, 4445072, 5000706, 5556340, 5797920, 6667608, 8334510, 8511840, 8696880, 8890144, 10001412, 11112680, 12501765, 13335216, 16669020, 17393760, 20002824, 22225360, 25003530, 26670432, 33338040, 40005648, 44450720, 50007060, 66676080, 80011296, 100014120, 133352160, 200028240, 400056480]

約数ペア:

[(1, 400056480), (2, 200028240), (3, 133352160), (4, 100014120), (5, 80011296), (6, 66676080), (8, 50007060), (9, 44450720), (10, 40005648), (12, 33338040), (15, 26670432), (16, 25003530), (18, 22225360), (20, 20002824), (23, 17393760), (24, 16669020), (30, 13335216), (32, 12501765), (36, 11112680), (40, 10001412), (45, 8890144), (46, 8696880), (47, 8511840), (48, 8334510), (60, 6667608), (69, 5797920), (72, 5556340), (80, 5000706), (90, 4445072), (92, 4348440), (94, 4255920), (96, 4167255), (115, 3478752), (120, 3333804), (138, 2898960), (141, 2837280), (144, 2778170), (160, 2500353), (180, 2222536), (184, 2174220), (188, 2127960), (207, 1932640), (230, 1739376), (235, 1702368), (240, 1666902), (257, 1556640), (276, 1449480), (282, 1418640), (288, 1389085), (345, 1159584), (360, 1111268), (368, 1087110), (376, 1063980), (414, 966320), (423, 945760), (460, 869688), (470, 851184), (480, 833451), (514, 778320), (552, 724740), (564, 709320), (690, 579792), (705, 567456), (720, 555634), (736, 543555), (752, 531990), (771, 518880), (828, 483160), (846, 472880), (920, 434844), (940, 425592), (1028, 389160), (1035, 386528), (1081, 370080), (1104, 362370), (1128, 354660), (1285, 311328), (1380, 289896), (1410, 283728), (1440, 277817), (1504, 265995), (1542, 259440), (1656, 241580), (1692, 236440), (1840, 217422), (1880, 212796), (2056, 194580), (2070, 193264), (2115, 189152), (2162, 185040), (2208, 181185), (2256, 177330), (2313, 172960), (2570, 155664), (2760, 144948), (2820, 141864), (3084, 129720), (3243, 123360), (3312, 120790), (3384, 118220), (3680, 108711), (3760, 106398), (3855, 103776), (4112, 97290), (4140, 96632), (4230, 94576), (4324, 92520), (4512, 88665), (4626, 86480), (5140, 77832), (5405, 74016), (5520, 72474), (5640, 70932), (5911, 67680), (6168, 64860), (6486, 61680), (6624, 60395), (6768, 59110), (7520, 53199), (7710, 51888), (8224, 48645), (8280, 48316), (8460, 47288), (8648, 46260), (9252, 43240), (9729, 41120), (10280, 38916), (10810, 37008), (11040, 36237), (11280, 35466), (11565, 34592), (11822, 33840), (12079, 33120), (12336, 32430), (12972, 30840), (13536, 29555), (15420, 25944), (16215, 24672), (16560, 24158), (16920, 23644), (17296, 23130), (17733, 22560), (18504, 21620), (19458, 20560)]