64505220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82699}}^1$

素因数の和:82724

約数の個数: 48

約数和(自身を含む): 194510400

約数和(自身を除く): 130005180

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, 82699, 165398, 248097, 330796, 413495, 496194, 826990, 992388, 1075087, 1240485, 1653980, 2150174, 2480970, 3225261, 4300348, 4961940, 5375435, 6450522, 10750870, 12901044, 16126305, 21501740, 32252610, 64505220]

約数ペア:

[(1, 64505220), (2, 32252610), (3, 21501740), (4, 16126305), (5, 12901044), (6, 10750870), (10, 6450522), (12, 5375435), (13, 4961940), (15, 4300348), (20, 3225261), (26, 2480970), (30, 2150174), (39, 1653980), (52, 1240485), (60, 1075087), (65, 992388), (78, 826990), (130, 496194), (156, 413495), (195, 330796), (260, 248097), (390, 165398), (780, 82699)]