72275840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 256

約数和(自身を含む): 228251520

約数和(自身を除く): 155975680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 64, 65, 68, 70, 73, 80, 85, 91, 104, 112, 119, 128, 130, 136, 140, 146, 160, 170, 182, 208, 221, 224, 238, 260, 272, 280, 292, 320, 340, 364, 365, 416, 442, 448, 455, 476, 511, 520, 544, 560, 584, 595, 640, 680, 728, 730, 832, 884, 896, 910, 949, 952, 1022, 1040, 1088, 1105, 1120, 1168, 1190, 1241, 1360, 1456, 1460, 1547, 1664, 1768, 1820, 1898, 1904, 2044, 2080, 2176, 2210, 2240, 2336, 2380, 2482, 2555, 2720, 2912, 2920, 3094, 3536, 3640, 3796, 3808, 4088, 4160, 4420, 4480, 4672, 4745, 4760, 4964, 5110, 5440, 5824, 5840, 6188, 6205, 6643, 7072, 7280, 7592, 7616, 7735, 8176, 8320, 8687, 8840, 9344, 9490, 9520, 9928, 10220, 10880, 11648, 11680, 12376, 12410, 13286, 14144, 14560, 15184, 15232, 15470, 16133, 16352, 17374, 17680, 18980, 19040, 19856, 20440, 23360, 24752, 24820, 26572, 28288, 29120, 30368, 30940, 32266, 32704, 33215, 34748, 35360, 37960, 38080, 39712, 40880, 43435, 46720, 49504, 49640, 53144, 58240, 60736, 61880, 64532, 65408, 66430, 69496, 70720, 75920, 76160, 79424, 80665, 81760, 86870, 99008, 99280, 106288, 112931, 121472, 123760, 129064, 132860, 138992, 141440, 151840, 158848, 161330, 163520, 173740, 198016, 198560, 212576, 225862, 247520, 258128, 265720, 277984, 303680, 322660, 327040, 347480, 397120, 425152, 451724, 495040, 516256, 531440, 555968, 564655, 607360, 645320, 694960, 794240, 850304, 903448, 990080, 1032512, 1062880, 1111936, 1129310, 1290640, 1389920, 1806896, 2065024, 2125760, 2258620, 2581280, 2779840, 3613792, 4251520, 4517240, 5162560, 5559680, 7227584, 9034480, 10325120, 14455168, 18068960, 36137920, 72275840]

約数ペア:

[(1, 72275840), (2, 36137920), (4, 18068960), (5, 14455168), (7, 10325120), (8, 9034480), (10, 7227584), (13, 5559680), (14, 5162560), (16, 4517240), (17, 4251520), (20, 3613792), (26, 2779840), (28, 2581280), (32, 2258620), (34, 2125760), (35, 2065024), (40, 1806896), (52, 1389920), (56, 1290640), (64, 1129310), (65, 1111936), (68, 1062880), (70, 1032512), (73, 990080), (80, 903448), (85, 850304), (91, 794240), (104, 694960), (112, 645320), (119, 607360), (128, 564655), (130, 555968), (136, 531440), (140, 516256), (146, 495040), (160, 451724), (170, 425152), (182, 397120), (208, 347480), (221, 327040), (224, 322660), (238, 303680), (260, 277984), (272, 265720), (280, 258128), (292, 247520), (320, 225862), (340, 212576), (364, 198560), (365, 198016), (416, 173740), (442, 163520), (448, 161330), (455, 158848), (476, 151840), (511, 141440), (520, 138992), (544, 132860), (560, 129064), (584, 123760), (595, 121472), (640, 112931), (680, 106288), (728, 99280), (730, 99008), (832, 86870), (884, 81760), (896, 80665), (910, 79424), (949, 76160), (952, 75920), (1022, 70720), (1040, 69496), (1088, 66430), (1105, 65408), (1120, 64532), (1168, 61880), (1190, 60736), (1241, 58240), (1360, 53144), (1456, 49640), (1460, 49504), (1547, 46720), (1664, 43435), (1768, 40880), (1820, 39712), (1898, 38080), (1904, 37960), (2044, 35360), (2080, 34748), (2176, 33215), (2210, 32704), (2240, 32266), (2336, 30940), (2380, 30368), (2482, 29120), (2555, 28288), (2720, 26572), (2912, 24820), (2920, 24752), (3094, 23360), (3536, 20440), (3640, 19856), (3796, 19040), (3808, 18980), (4088, 17680), (4160, 17374), (4420, 16352), (4480, 16133), (4672, 15470), (4745, 15232), (4760, 15184), (4964, 14560), (5110, 14144), (5440, 13286), (5824, 12410), (5840, 12376), (6188, 11680), (6205, 11648), (6643, 10880), (7072, 10220), (7280, 9928), (7592, 9520), (7616, 9490), (7735, 9344), (8176, 8840), (8320, 8687)]