71431360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 224

約数和(自身を含む): 229404672

約数和(自身を除く): 157973312

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 223, 224, 260, 280, 286, 308, 320, 352, 364, 385, 416, 440, 446, 448, 455, 520, 560, 572, 616, 704, 715, 728, 770, 832, 880, 892, 910, 1001, 1040, 1115, 1120, 1144, 1232, 1430, 1456, 1540, 1561, 1760, 1784, 1820, 2002, 2080, 2230, 2240, 2288, 2453, 2464, 2860, 2899, 2912, 3080, 3122, 3520, 3568, 3640, 4004, 4160, 4460, 4576, 4906, 4928, 5005, 5720, 5798, 5824, 6160, 6244, 7136, 7280, 7805, 8008, 8920, 9152, 9812, 10010, 11440, 11596, 12265, 12320, 12488, 14272, 14495, 14560, 15610, 16016, 17171, 17840, 19624, 20020, 20293, 22880, 23192, 24530, 24640, 24976, 28990, 29120, 31220, 31889, 32032, 34342, 35680, 39248, 40040, 40586, 45760, 46384, 49060, 49952, 57980, 62440, 63778, 64064, 68684, 71360, 78496, 80080, 81172, 85855, 92768, 98120, 99904, 101465, 115960, 124880, 127556, 137368, 156992, 159445, 160160, 162344, 171710, 185536, 196240, 202930, 223223, 231920, 249760, 255112, 274736, 318890, 320320, 324688, 343420, 392480, 405860, 446446, 463840, 499520, 510224, 549472, 637780, 649376, 686840, 784960, 811720, 892892, 927680, 1020448, 1098944, 1116115, 1275560, 1298752, 1373680, 1623440, 1785784, 2040896, 2232230, 2551120, 2747360, 3246880, 3571568, 4464460, 5102240, 5494720, 6493760, 7143136, 8928920, 10204480, 14286272, 17857840, 35715680, 71431360]

約数ペア:

[(1, 71431360), (2, 35715680), (4, 17857840), (5, 14286272), (7, 10204480), (8, 8928920), (10, 7143136), (11, 6493760), (13, 5494720), (14, 5102240), (16, 4464460), (20, 3571568), (22, 3246880), (26, 2747360), (28, 2551120), (32, 2232230), (35, 2040896), (40, 1785784), (44, 1623440), (52, 1373680), (55, 1298752), (56, 1275560), (64, 1116115), (65, 1098944), (70, 1020448), (77, 927680), (80, 892892), (88, 811720), (91, 784960), (104, 686840), (110, 649376), (112, 637780), (130, 549472), (140, 510224), (143, 499520), (154, 463840), (160, 446446), (176, 405860), (182, 392480), (208, 343420), (220, 324688), (223, 320320), (224, 318890), (260, 274736), (280, 255112), (286, 249760), (308, 231920), (320, 223223), (352, 202930), (364, 196240), (385, 185536), (416, 171710), (440, 162344), (446, 160160), (448, 159445), (455, 156992), (520, 137368), (560, 127556), (572, 124880), (616, 115960), (704, 101465), (715, 99904), (728, 98120), (770, 92768), (832, 85855), (880, 81172), (892, 80080), (910, 78496), (1001, 71360), (1040, 68684), (1115, 64064), (1120, 63778), (1144, 62440), (1232, 57980), (1430, 49952), (1456, 49060), (1540, 46384), (1561, 45760), (1760, 40586), (1784, 40040), (1820, 39248), (2002, 35680), (2080, 34342), (2230, 32032), (2240, 31889), (2288, 31220), (2453, 29120), (2464, 28990), (2860, 24976), (2899, 24640), (2912, 24530), (3080, 23192), (3122, 22880), (3520, 20293), (3568, 20020), (3640, 19624), (4004, 17840), (4160, 17171), (4460, 16016), (4576, 15610), (4906, 14560), (4928, 14495), (5005, 14272), (5720, 12488), (5798, 12320), (5824, 12265), (6160, 11596), (6244, 11440), (7136, 10010), (7280, 9812), (7805, 9152), (8008, 8920)]