12000000880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{94399}}^1$

素因数の和:94646

約数の個数: 80

約数和(自身を含む): 32026521600

約数和(自身を除く): 20026520720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1589, 1816, 2270, 3178, 3632, 4540, 6356, 7945, 9080, 12712, 15890, 18160, 25424, 31780, 63560, 94399, 127120, 188798, 377596, 471995, 660793, 755192, 943990, 1321586, 1510384, 1887980, 2643172, 3303965, 3775960, 5286344, 6607930, 7551920, 10572688, 13215860, 21428573, 26431720, 42857146, 52863440, 85714292, 107142865, 150000011, 171428584, 214285730, 300000022, 342857168, 428571460, 600000044, 750000055, 857142920, 1200000088, 1500000110, 1714285840, 2400000176, 3000000220, 6000000440, 12000000880]

約数ペア:

[(1, 12000000880), (2, 6000000440), (4, 3000000220), (5, 2400000176), (7, 1714285840), (8, 1500000110), (10, 1200000088), (14, 857142920), (16, 750000055), (20, 600000044), (28, 428571460), (35, 342857168), (40, 300000022), (56, 214285730), (70, 171428584), (80, 150000011), (112, 107142865), (140, 85714292), (227, 52863440), (280, 42857146), (454, 26431720), (560, 21428573), (908, 13215860), (1135, 10572688), (1589, 7551920), (1816, 6607930), (2270, 5286344), (3178, 3775960), (3632, 3303965), (4540, 2643172), (6356, 1887980), (7945, 1510384), (9080, 1321586), (12712, 943990), (15890, 755192), (18160, 660793), (25424, 471995), (31780, 377596), (63560, 188798), (94399, 127120)]