28504980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{7541}}^1$

素因数の和:7566

約数の個数: 96

約数和(自身を含む): 101364480

約数和(自身を除く): 72859500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 7541, 15082, 22623, 30164, 37705, 45246, 52787, 67869, 75410, 90492, 105574, 113115, 135738, 150820, 158361, 203607, 211148, 226230, 263935, 271476, 316722, 339345, 407214, 452460, 475083, 527870, 633444, 678690, 791805, 814428, 950166, 1018035, 1055740, 1357380, 1425249, 1583610, 1900332, 2036070, 2375415, 2850498, 3167220, 4072140, 4750830, 5700996, 7126245, 9501660, 14252490, 28504980]

約数ペア:

[(1, 28504980), (2, 14252490), (3, 9501660), (4, 7126245), (5, 5700996), (6, 4750830), (7, 4072140), (9, 3167220), (10, 2850498), (12, 2375415), (14, 2036070), (15, 1900332), (18, 1583610), (20, 1425249), (21, 1357380), (27, 1055740), (28, 1018035), (30, 950166), (35, 814428), (36, 791805), (42, 678690), (45, 633444), (54, 527870), (60, 475083), (63, 452460), (70, 407214), (84, 339345), (90, 316722), (105, 271476), (108, 263935), (126, 226230), (135, 211148), (140, 203607), (180, 158361), (189, 150820), (210, 135738), (252, 113115), (270, 105574), (315, 90492), (378, 75410), (420, 67869), (540, 52787), (630, 45246), (756, 37705), (945, 30164), (1260, 22623), (1890, 15082), (3780, 7541)]