12472980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15991}}^1$

素因数の和:16016

約数の個数: 48

約数和(自身を含む): 37613184

約数和(自身を除く): 25140204

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, 15991, 31982, 47973, 63964, 79955, 95946, 159910, 191892, 207883, 239865, 319820, 415766, 479730, 623649, 831532, 959460, 1039415, 1247298, 2078830, 2494596, 3118245, 4157660, 6236490, 12472980]

約数ペア:

[(1, 12472980), (2, 6236490), (3, 4157660), (4, 3118245), (5, 2494596), (6, 2078830), (10, 1247298), (12, 1039415), (13, 959460), (15, 831532), (20, 623649), (26, 479730), (30, 415766), (39, 319820), (52, 239865), (60, 207883), (65, 191892), (78, 159910), (130, 95946), (156, 79955), (195, 63964), (260, 47973), (390, 31982), (780, 15991)]