30481952020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2647}}^1\times {\mathrm{3407}}^1$

素因数の和:6089

約数の個数: 72

約数和(自身を含む): 69361415424

約数和(自身を除く): 38879463404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2647, 3380, 3407, 5294, 6814, 10588, 13235, 13628, 17035, 26470, 34070, 34411, 44291, 52940, 68140, 68822, 88582, 137644, 172055, 177164, 221455, 344110, 442910, 447343, 575783, 688220, 885820, 894686, 1151566, 1789372, 2236715, 2303132, 2878915, 4473430, 5757830, 8946860, 9018329, 11515660, 18036658, 36073316, 45091645, 90183290, 117238277, 180366580, 234476554, 468953108, 586191385, 1172382770, 1524097601, 2344765540, 3048195202, 6096390404, 7620488005, 15240976010, 30481952020]

約数ペア:

[(1, 30481952020), (2, 15240976010), (4, 7620488005), (5, 6096390404), (10, 3048195202), (13, 2344765540), (20, 1524097601), (26, 1172382770), (52, 586191385), (65, 468953108), (130, 234476554), (169, 180366580), (260, 117238277), (338, 90183290), (676, 45091645), (845, 36073316), (1690, 18036658), (2647, 11515660), (3380, 9018329), (3407, 8946860), (5294, 5757830), (6814, 4473430), (10588, 2878915), (13235, 2303132), (13628, 2236715), (17035, 1789372), (26470, 1151566), (34070, 894686), (34411, 885820), (44291, 688220), (52940, 575783), (68140, 447343), (68822, 442910), (88582, 344110), (137644, 221455), (172055, 177164)]