221990080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 224

約数和(自身を含む): 625230144

約数和(自身を除く): 403240064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 43, 52, 64, 65, 68, 73, 80, 85, 86, 104, 130, 136, 146, 160, 170, 172, 208, 215, 221, 260, 272, 292, 320, 340, 344, 365, 416, 430, 442, 520, 544, 559, 584, 680, 688, 730, 731, 832, 860, 884, 949, 1040, 1088, 1105, 1118, 1168, 1241, 1360, 1376, 1460, 1462, 1720, 1768, 1898, 2080, 2210, 2236, 2336, 2482, 2720, 2752, 2795, 2920, 2924, 3139, 3440, 3536, 3655, 3796, 4160, 4420, 4472, 4672, 4745, 4964, 5440, 5590, 5840, 5848, 6205, 6278, 6880, 7072, 7310, 7592, 8840, 8944, 9490, 9503, 9928, 11180, 11680, 11696, 12410, 12556, 13760, 14144, 14620, 15184, 15695, 16133, 17680, 17888, 18980, 19006, 19856, 22360, 23360, 23392, 24820, 25112, 29240, 30368, 31390, 32266, 35360, 35776, 37960, 38012, 39712, 40807, 44720, 46784, 47515, 49640, 50224, 53363, 58480, 60736, 62780, 64532, 70720, 75920, 76024, 79424, 80665, 81614, 89440, 95030, 99280, 100448, 106726, 116960, 125560, 129064, 151840, 152048, 161330, 163228, 178880, 190060, 198560, 200896, 204035, 213452, 233920, 251120, 258128, 266815, 303680, 304096, 322660, 326456, 380120, 397120, 408070, 426904, 502240, 516256, 533630, 608192, 645320, 652912, 693719, 760240, 816140, 853808, 1004480, 1032512, 1067260, 1290640, 1305824, 1387438, 1520480, 1632280, 1707616, 2134520, 2581280, 2611648, 2774876, 3040960, 3264560, 3415232, 3468595, 4269040, 5162560, 5549752, 6529120, 6937190, 8538080, 11099504, 13058240, 13874380, 17076160, 22199008, 27748760, 44398016, 55497520, 110995040, 221990080]

約数ペア:

[(1, 221990080), (2, 110995040), (4, 55497520), (5, 44398016), (8, 27748760), (10, 22199008), (13, 17076160), (16, 13874380), (17, 13058240), (20, 11099504), (26, 8538080), (32, 6937190), (34, 6529120), (40, 5549752), (43, 5162560), (52, 4269040), (64, 3468595), (65, 3415232), (68, 3264560), (73, 3040960), (80, 2774876), (85, 2611648), (86, 2581280), (104, 2134520), (130, 1707616), (136, 1632280), (146, 1520480), (160, 1387438), (170, 1305824), (172, 1290640), (208, 1067260), (215, 1032512), (221, 1004480), (260, 853808), (272, 816140), (292, 760240), (320, 693719), (340, 652912), (344, 645320), (365, 608192), (416, 533630), (430, 516256), (442, 502240), (520, 426904), (544, 408070), (559, 397120), (584, 380120), (680, 326456), (688, 322660), (730, 304096), (731, 303680), (832, 266815), (860, 258128), (884, 251120), (949, 233920), (1040, 213452), (1088, 204035), (1105, 200896), (1118, 198560), (1168, 190060), (1241, 178880), (1360, 163228), (1376, 161330), (1460, 152048), (1462, 151840), (1720, 129064), (1768, 125560), (1898, 116960), (2080, 106726), (2210, 100448), (2236, 99280), (2336, 95030), (2482, 89440), (2720, 81614), (2752, 80665), (2795, 79424), (2920, 76024), (2924, 75920), (3139, 70720), (3440, 64532), (3536, 62780), (3655, 60736), (3796, 58480), (4160, 53363), (4420, 50224), (4472, 49640), (4672, 47515), (4745, 46784), (4964, 44720), (5440, 40807), (5590, 39712), (5840, 38012), (5848, 37960), (6205, 35776), (6278, 35360), (6880, 32266), (7072, 31390), (7310, 30368), (7592, 29240), (8840, 25112), (8944, 24820), (9490, 23392), (9503, 23360), (9928, 22360), (11180, 19856), (11680, 19006), (11696, 18980), (12410, 17888), (12556, 17680), (13760, 16133), (14144, 15695), (14620, 15184)]