28107960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 89812800

約数和(自身を除く): 61704840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 41, 58, 60, 82, 87, 116, 120, 123, 145, 164, 174, 197, 205, 232, 246, 290, 328, 348, 394, 410, 435, 492, 580, 591, 615, 696, 788, 820, 870, 984, 985, 1160, 1182, 1189, 1230, 1576, 1640, 1740, 1970, 2364, 2378, 2460, 2955, 3480, 3567, 3940, 4728, 4756, 4920, 5713, 5910, 5945, 7134, 7880, 8077, 9512, 11426, 11820, 11890, 14268, 16154, 17139, 17835, 22852, 23640, 23780, 24231, 28536, 28565, 32308, 34278, 35670, 40385, 45704, 47560, 48462, 57130, 64616, 68556, 71340, 80770, 85695, 96924, 114260, 121155, 137112, 142680, 161540, 171390, 193848, 228520, 234233, 242310, 323080, 342780, 468466, 484620, 685560, 702699, 936932, 969240, 1171165, 1405398, 1873864, 2342330, 2810796, 3513495, 4684660, 5621592, 7026990, 9369320, 14053980, 28107960]

約数ペア:

[(1, 28107960), (2, 14053980), (3, 9369320), (4, 7026990), (5, 5621592), (6, 4684660), (8, 3513495), (10, 2810796), (12, 2342330), (15, 1873864), (20, 1405398), (24, 1171165), (29, 969240), (30, 936932), (40, 702699), (41, 685560), (58, 484620), (60, 468466), (82, 342780), (87, 323080), (116, 242310), (120, 234233), (123, 228520), (145, 193848), (164, 171390), (174, 161540), (197, 142680), (205, 137112), (232, 121155), (246, 114260), (290, 96924), (328, 85695), (348, 80770), (394, 71340), (410, 68556), (435, 64616), (492, 57130), (580, 48462), (591, 47560), (615, 45704), (696, 40385), (788, 35670), (820, 34278), (870, 32308), (984, 28565), (985, 28536), (1160, 24231), (1182, 23780), (1189, 23640), (1230, 22852), (1576, 17835), (1640, 17139), (1740, 16154), (1970, 14268), (2364, 11890), (2378, 11820), (2460, 11426), (2955, 9512), (3480, 8077), (3567, 7880), (3940, 7134), (4728, 5945), (4756, 5910), (4920, 5713)]