18139440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6871}}^1$

素因数の和:6898

約数の個数: 80

約数和(自身を含む): 61353216

約数和(自身を除く): 43213776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 6871, 13742, 20613, 27484, 34355, 41226, 54968, 68710, 75581, 82452, 103065, 109936, 137420, 151162, 164904, 206130, 226743, 274840, 302324, 329808, 377905, 412260, 453486, 549680, 604648, 755810, 824520, 906972, 1133715, 1209296, 1511620, 1649040, 1813944, 2267430, 3023240, 3627888, 4534860, 6046480, 9069720, 18139440]

約数ペア:

[(1, 18139440), (2, 9069720), (3, 6046480), (4, 4534860), (5, 3627888), (6, 3023240), (8, 2267430), (10, 1813944), (11, 1649040), (12, 1511620), (15, 1209296), (16, 1133715), (20, 906972), (22, 824520), (24, 755810), (30, 604648), (33, 549680), (40, 453486), (44, 412260), (48, 377905), (55, 329808), (60, 302324), (66, 274840), (80, 226743), (88, 206130), (110, 164904), (120, 151162), (132, 137420), (165, 109936), (176, 103065), (220, 82452), (240, 75581), (264, 68710), (330, 54968), (440, 41226), (528, 34355), (660, 27484), (880, 20613), (1320, 13742), (2640, 6871)]