15365220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19699}}^1$

素因数の和:19724

約数の個数: 48

約数和(自身を含む): 46334400

約数和(自身を除く): 30969180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19699, 39398, 59097, 78796, 98495, 118194, 196990, 236388, 256087, 295485, 393980, 512174, 590970, 768261, 1024348, 1181940, 1280435, 1536522, 2560870, 3073044, 3841305, 5121740, 7682610, 15365220]

約数ペア:

[(1, 15365220), (2, 7682610), (3, 5121740), (4, 3841305), (5, 3073044), (6, 2560870), (10, 1536522), (12, 1280435), (13, 1181940), (15, 1024348), (20, 768261), (26, 590970), (30, 512174), (39, 393980), (52, 295485), (60, 256087), (65, 236388), (78, 196990), (130, 118194), (156, 98495), (195, 78796), (260, 59097), (390, 39398), (780, 19699)]