1978955520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2311}}^1$

素因数の和:2558

約数の個数: 144

約数和(自身を含む): 6351378432

約数和(自身を除く): 4372422912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 223, 240, 256, 320, 384, 446, 480, 640, 669, 768, 892, 960, 1115, 1280, 1338, 1784, 1920, 2230, 2311, 2676, 3345, 3568, 3840, 4460, 4622, 5352, 6690, 6933, 7136, 8920, 9244, 10704, 11555, 13380, 13866, 14272, 17840, 18488, 21408, 23110, 26760, 27732, 28544, 34665, 35680, 36976, 42816, 46220, 53520, 55464, 57088, 69330, 71360, 73952, 85632, 92440, 107040, 110928, 138660, 142720, 147904, 171264, 184880, 214080, 221856, 277320, 285440, 295808, 369760, 428160, 443712, 515353, 554640, 591616, 739520, 856320, 887424, 1030706, 1109280, 1479040, 1546059, 1774848, 2061412, 2218560, 2576765, 2958080, 3092118, 4122824, 4437120, 5153530, 6184236, 7730295, 8245648, 8874240, 10307060, 12368472, 15460590, 16491296, 20614120, 24736944, 30921180, 32982592, 41228240, 49473888, 61842360, 65965184, 82456480, 98947776, 123684720, 131930368, 164912960, 197895552, 247369440, 329825920, 395791104, 494738880, 659651840, 989477760, 1978955520]

約数ペア:

[(1, 1978955520), (2, 989477760), (3, 659651840), (4, 494738880), (5, 395791104), (6, 329825920), (8, 247369440), (10, 197895552), (12, 164912960), (15, 131930368), (16, 123684720), (20, 98947776), (24, 82456480), (30, 65965184), (32, 61842360), (40, 49473888), (48, 41228240), (60, 32982592), (64, 30921180), (80, 24736944), (96, 20614120), (120, 16491296), (128, 15460590), (160, 12368472), (192, 10307060), (223, 8874240), (240, 8245648), (256, 7730295), (320, 6184236), (384, 5153530), (446, 4437120), (480, 4122824), (640, 3092118), (669, 2958080), (768, 2576765), (892, 2218560), (960, 2061412), (1115, 1774848), (1280, 1546059), (1338, 1479040), (1784, 1109280), (1920, 1030706), (2230, 887424), (2311, 856320), (2676, 739520), (3345, 591616), (3568, 554640), (3840, 515353), (4460, 443712), (4622, 428160), (5352, 369760), (6690, 295808), (6933, 285440), (7136, 277320), (8920, 221856), (9244, 214080), (10704, 184880), (11555, 171264), (13380, 147904), (13866, 142720), (14272, 138660), (17840, 110928), (18488, 107040), (21408, 92440), (23110, 85632), (26760, 73952), (27732, 71360), (28544, 69330), (34665, 57088), (35680, 55464), (36976, 53520), (42816, 46220)]