7265440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:534

約数の個数: 96

約数和(自身を含む): 21168000

約数和(自身を除く): 13902560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 499, 520, 560, 728, 910, 998, 1040, 1120, 1456, 1820, 1996, 2080, 2495, 2912, 3493, 3640, 3992, 4990, 6487, 6986, 7280, 7984, 9980, 12974, 13972, 14560, 15968, 17465, 19960, 25948, 27944, 32435, 34930, 39920, 45409, 51896, 55888, 64870, 69860, 79840, 90818, 103792, 111776, 129740, 139720, 181636, 207584, 227045, 259480, 279440, 363272, 454090, 518960, 558880, 726544, 908180, 1037920, 1453088, 1816360, 3632720, 7265440]

約数ペア:

[(1, 7265440), (2, 3632720), (4, 1816360), (5, 1453088), (7, 1037920), (8, 908180), (10, 726544), (13, 558880), (14, 518960), (16, 454090), (20, 363272), (26, 279440), (28, 259480), (32, 227045), (35, 207584), (40, 181636), (52, 139720), (56, 129740), (65, 111776), (70, 103792), (80, 90818), (91, 79840), (104, 69860), (112, 64870), (130, 55888), (140, 51896), (160, 45409), (182, 39920), (208, 34930), (224, 32435), (260, 27944), (280, 25948), (364, 19960), (416, 17465), (455, 15968), (499, 14560), (520, 13972), (560, 12974), (728, 9980), (910, 7984), (998, 7280), (1040, 6986), (1120, 6487), (1456, 4990), (1820, 3992), (1996, 3640), (2080, 3493), (2495, 2912)]