8743980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 28385280

約数和(自身を除く): 19641300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 191, 210, 218, 327, 382, 420, 436, 545, 573, 654, 763, 764, 955, 1090, 1146, 1308, 1337, 1526, 1635, 1910, 2180, 2289, 2292, 2674, 2865, 3052, 3270, 3815, 3820, 4011, 4578, 5348, 5730, 6540, 6685, 7630, 8022, 9156, 11445, 11460, 13370, 15260, 16044, 20055, 20819, 22890, 26740, 40110, 41638, 45780, 62457, 80220, 83276, 104095, 124914, 145733, 208190, 249828, 291466, 312285, 416380, 437199, 582932, 624570, 728665, 874398, 1249140, 1457330, 1748796, 2185995, 2914660, 4371990, 8743980]

約数ペア:

[(1, 8743980), (2, 4371990), (3, 2914660), (4, 2185995), (5, 1748796), (6, 1457330), (7, 1249140), (10, 874398), (12, 728665), (14, 624570), (15, 582932), (20, 437199), (21, 416380), (28, 312285), (30, 291466), (35, 249828), (42, 208190), (60, 145733), (70, 124914), (84, 104095), (105, 83276), (109, 80220), (140, 62457), (191, 45780), (210, 41638), (218, 40110), (327, 26740), (382, 22890), (420, 20819), (436, 20055), (545, 16044), (573, 15260), (654, 13370), (763, 11460), (764, 11445), (955, 9156), (1090, 8022), (1146, 7630), (1308, 6685), (1337, 6540), (1526, 5730), (1635, 5348), (1910, 4578), (2180, 4011), (2289, 3820), (2292, 3815), (2674, 3270), (2865, 3052)]