64961260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5099}}^1$

素因数の和:5135

約数の個数: 72

約数和(自身を含む): 170931600

約数和(自身を除く): 105970340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 5099, 6370, 10198, 12740, 20396, 25495, 35693, 50990, 66287, 71386, 101980, 132574, 142772, 178465, 249851, 265148, 331435, 356930, 464009, 499702, 662870, 713860, 928018, 999404, 1249255, 1325740, 1856036, 2320045, 2498510, 3248063, 4640090, 4997020, 6496126, 9280180, 12992252, 16240315, 32480630, 64961260]

約数ペア:

[(1, 64961260), (2, 32480630), (4, 16240315), (5, 12992252), (7, 9280180), (10, 6496126), (13, 4997020), (14, 4640090), (20, 3248063), (26, 2498510), (28, 2320045), (35, 1856036), (49, 1325740), (52, 1249255), (65, 999404), (70, 928018), (91, 713860), (98, 662870), (130, 499702), (140, 464009), (182, 356930), (196, 331435), (245, 265148), (260, 249851), (364, 178465), (455, 142772), (490, 132574), (637, 101980), (910, 71386), (980, 66287), (1274, 50990), (1820, 35693), (2548, 25495), (3185, 20396), (5099, 12740), (6370, 10198)]