80885220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103699}}^1$

素因数の和:103724

約数の個数: 48

約数和(自身を含む): 243902400

約数和(自身を除く): 163017180

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, 103699, 207398, 311097, 414796, 518495, 622194, 1036990, 1244388, 1348087, 1555485, 2073980, 2696174, 3110970, 4044261, 5392348, 6221940, 6740435, 8088522, 13480870, 16177044, 20221305, 26961740, 40442610, 80885220]

約数ペア:

[(1, 80885220), (2, 40442610), (3, 26961740), (4, 20221305), (5, 16177044), (6, 13480870), (10, 8088522), (12, 6740435), (13, 6221940), (15, 5392348), (20, 4044261), (26, 3110970), (30, 2696174), (39, 2073980), (52, 1555485), (60, 1348087), (65, 1244388), (78, 1036990), (130, 622194), (156, 518495), (195, 414796), (260, 311097), (390, 207398), (780, 103699)]