7240640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 112

約数和(自身を含む): 20080224

約数和(自身を除く): 12839584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 220, 242, 272, 320, 340, 352, 374, 440, 484, 544, 605, 680, 704, 748, 880, 935, 968, 1088, 1210, 1331, 1360, 1496, 1760, 1870, 1936, 2057, 2420, 2662, 2720, 2992, 3520, 3740, 3872, 4114, 4840, 5324, 5440, 5984, 6655, 7480, 7744, 8228, 9680, 10285, 10648, 11968, 13310, 14960, 16456, 19360, 20570, 21296, 22627, 26620, 29920, 32912, 38720, 41140, 42592, 45254, 53240, 59840, 65824, 82280, 85184, 90508, 106480, 113135, 131648, 164560, 181016, 212960, 226270, 329120, 362032, 425920, 452540, 658240, 724064, 905080, 1448128, 1810160, 3620320, 7240640]

約数ペア:

[(1, 7240640), (2, 3620320), (4, 1810160), (5, 1448128), (8, 905080), (10, 724064), (11, 658240), (16, 452540), (17, 425920), (20, 362032), (22, 329120), (32, 226270), (34, 212960), (40, 181016), (44, 164560), (55, 131648), (64, 113135), (68, 106480), (80, 90508), (85, 85184), (88, 82280), (110, 65824), (121, 59840), (136, 53240), (160, 45254), (170, 42592), (176, 41140), (187, 38720), (220, 32912), (242, 29920), (272, 26620), (320, 22627), (340, 21296), (352, 20570), (374, 19360), (440, 16456), (484, 14960), (544, 13310), (605, 11968), (680, 10648), (704, 10285), (748, 9680), (880, 8228), (935, 7744), (968, 7480), (1088, 6655), (1210, 5984), (1331, 5440), (1360, 5324), (1496, 4840), (1760, 4114), (1870, 3872), (1936, 3740), (2057, 3520), (2420, 2992), (2662, 2720)]