57080140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^2$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 133464240

約数和(自身を除く): 76384100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 61, 65, 118, 122, 130, 236, 244, 260, 295, 305, 590, 610, 767, 793, 1180, 1220, 1534, 1586, 3068, 3172, 3599, 3721, 3835, 3965, 7198, 7442, 7670, 7930, 14396, 14884, 15340, 15860, 17995, 18605, 35990, 37210, 46787, 48373, 71980, 74420, 93574, 96746, 187148, 193492, 219539, 233935, 241865, 439078, 467870, 483730, 878156, 935740, 967460, 1097695, 2195390, 2854007, 4390780, 5708014, 11416028, 14270035, 28540070, 57080140]

約数ペア:

[(1, 57080140), (2, 28540070), (4, 14270035), (5, 11416028), (10, 5708014), (13, 4390780), (20, 2854007), (26, 2195390), (52, 1097695), (59, 967460), (61, 935740), (65, 878156), (118, 483730), (122, 467870), (130, 439078), (236, 241865), (244, 233935), (260, 219539), (295, 193492), (305, 187148), (590, 96746), (610, 93574), (767, 74420), (793, 71980), (1180, 48373), (1220, 46787), (1534, 37210), (1586, 35990), (3068, 18605), (3172, 17995), (3599, 15860), (3721, 15340), (3835, 14884), (3965, 14396), (7198, 7930), (7442, 7670)]