217454220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:789

約数の個数: 120

約数和(自身を含む): 686070000

約数和(自身を除く): 468615780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 269, 270, 324, 405, 499, 538, 540, 807, 810, 998, 1076, 1345, 1497, 1614, 1620, 1996, 2421, 2495, 2690, 2994, 3228, 4035, 4491, 4842, 4990, 5380, 5988, 7263, 7485, 8070, 8982, 9684, 9980, 12105, 13473, 14526, 14970, 16140, 17964, 21789, 22455, 24210, 26946, 29052, 29940, 36315, 40419, 43578, 44910, 48420, 53892, 67365, 72630, 80838, 87156, 89820, 108945, 134231, 134730, 145260, 161676, 202095, 217890, 268462, 269460, 402693, 404190, 435780, 536924, 671155, 805386, 808380, 1208079, 1342310, 1610772, 2013465, 2416158, 2684620, 3624237, 4026930, 4832316, 6040395, 7248474, 8053860, 10872711, 12080790, 14496948, 18121185, 21745422, 24161580, 36242370, 43490844, 54363555, 72484740, 108727110, 217454220]

約数ペア:

[(1, 217454220), (2, 108727110), (3, 72484740), (4, 54363555), (5, 43490844), (6, 36242370), (9, 24161580), (10, 21745422), (12, 18121185), (15, 14496948), (18, 12080790), (20, 10872711), (27, 8053860), (30, 7248474), (36, 6040395), (45, 4832316), (54, 4026930), (60, 3624237), (81, 2684620), (90, 2416158), (108, 2013465), (135, 1610772), (162, 1342310), (180, 1208079), (269, 808380), (270, 805386), (324, 671155), (405, 536924), (499, 435780), (538, 404190), (540, 402693), (807, 269460), (810, 268462), (998, 217890), (1076, 202095), (1345, 161676), (1497, 145260), (1614, 134730), (1620, 134231), (1996, 108945), (2421, 89820), (2495, 87156), (2690, 80838), (2994, 72630), (3228, 67365), (4035, 53892), (4491, 48420), (4842, 44910), (4990, 43578), (5380, 40419), (5988, 36315), (7263, 29940), (7485, 29052), (8070, 26946), (8982, 24210), (9684, 22455), (9980, 21789), (12105, 17964), (13473, 16140), (14526, 14970)]