400484520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6079}}^1$

素因数の和:6160

約数の個数: 128

約数和(自身を含む): 1357056000

約数和(自身を除く): 956571480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 4392, 5490, 6079, 6588, 7320, 8235, 10980, 12158, 13176, 16470, 18237, 21960, 24316, 30395, 32940, 36474, 48632, 54711, 60790, 65880, 72948, 91185, 109422, 121580, 145896, 164133, 182370, 218844, 243160, 273555, 328266, 364740, 370819, 437688, 547110, 656532, 729480, 741638, 820665, 1094220, 1112457, 1313064, 1483276, 1641330, 1854095, 2188440, 2224914, 2966552, 3282660, 3337371, 3708190, 4449828, 5562285, 6565320, 6674742, 7416380, 8899656, 10012113, 11124570, 13349484, 14832760, 16686855, 20024226, 22249140, 26698968, 33373710, 40048452, 44498280, 50060565, 66747420, 80096904, 100121130, 133494840, 200242260, 400484520]

約数ペア:

[(1, 400484520), (2, 200242260), (3, 133494840), (4, 100121130), (5, 80096904), (6, 66747420), (8, 50060565), (9, 44498280), (10, 40048452), (12, 33373710), (15, 26698968), (18, 22249140), (20, 20024226), (24, 16686855), (27, 14832760), (30, 13349484), (36, 11124570), (40, 10012113), (45, 8899656), (54, 7416380), (60, 6674742), (61, 6565320), (72, 5562285), (90, 4449828), (108, 3708190), (120, 3337371), (122, 3282660), (135, 2966552), (180, 2224914), (183, 2188440), (216, 1854095), (244, 1641330), (270, 1483276), (305, 1313064), (360, 1112457), (366, 1094220), (488, 820665), (540, 741638), (549, 729480), (610, 656532), (732, 547110), (915, 437688), (1080, 370819), (1098, 364740), (1220, 328266), (1464, 273555), (1647, 243160), (1830, 218844), (2196, 182370), (2440, 164133), (2745, 145896), (3294, 121580), (3660, 109422), (4392, 91185), (5490, 72948), (6079, 65880), (6588, 60790), (7320, 54711), (8235, 48632), (10980, 36474), (12158, 32940), (13176, 30395), (16470, 24316), (18237, 21960)]