77579920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3833}}^1$

素因数の和:3880

約数の個数: 80

約数和(自身を含む): 205379712

約数和(自身を除く): 127799792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 3833, 4048, 5060, 7666, 10120, 15332, 19165, 20240, 30664, 38330, 42163, 61328, 76660, 84326, 88159, 153320, 168652, 176318, 210815, 306640, 337304, 352636, 421630, 440795, 674608, 705272, 843260, 881590, 969749, 1410544, 1686520, 1763180, 1939498, 3373040, 3526360, 3878996, 4848745, 7052720, 7757992, 9697490, 15515984, 19394980, 38789960, 77579920]

約数ペア:

[(1, 77579920), (2, 38789960), (4, 19394980), (5, 15515984), (8, 9697490), (10, 7757992), (11, 7052720), (16, 4848745), (20, 3878996), (22, 3526360), (23, 3373040), (40, 1939498), (44, 1763180), (46, 1686520), (55, 1410544), (80, 969749), (88, 881590), (92, 843260), (110, 705272), (115, 674608), (176, 440795), (184, 421630), (220, 352636), (230, 337304), (253, 306640), (368, 210815), (440, 176318), (460, 168652), (506, 153320), (880, 88159), (920, 84326), (1012, 76660), (1265, 61328), (1840, 42163), (2024, 38330), (2530, 30664), (3833, 20240), (4048, 19165), (5060, 15332), (7666, 10120)]