28713180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 85881600

約数和(自身を除く): 57168420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 89, 95, 114, 178, 190, 228, 267, 283, 285, 356, 380, 445, 534, 566, 570, 849, 890, 1068, 1132, 1140, 1335, 1415, 1691, 1698, 1780, 2670, 2830, 3382, 3396, 4245, 5073, 5340, 5377, 5660, 6764, 8455, 8490, 10146, 10754, 16131, 16910, 16980, 20292, 21508, 25187, 25365, 26885, 32262, 33820, 50374, 50730, 53770, 64524, 75561, 80655, 100748, 101460, 107540, 125935, 151122, 161310, 251870, 302244, 322620, 377805, 478553, 503740, 755610, 957106, 1435659, 1511220, 1914212, 2392765, 2871318, 4785530, 5742636, 7178295, 9571060, 14356590, 28713180]

約数ペア:

[(1, 28713180), (2, 14356590), (3, 9571060), (4, 7178295), (5, 5742636), (6, 4785530), (10, 2871318), (12, 2392765), (15, 1914212), (19, 1511220), (20, 1435659), (30, 957106), (38, 755610), (57, 503740), (60, 478553), (76, 377805), (89, 322620), (95, 302244), (114, 251870), (178, 161310), (190, 151122), (228, 125935), (267, 107540), (283, 101460), (285, 100748), (356, 80655), (380, 75561), (445, 64524), (534, 53770), (566, 50730), (570, 50374), (849, 33820), (890, 32262), (1068, 26885), (1132, 25365), (1140, 25187), (1335, 21508), (1415, 20292), (1691, 16980), (1698, 16910), (1780, 16131), (2670, 10754), (2830, 10146), (3382, 8490), (3396, 8455), (4245, 6764), (5073, 5660), (5340, 5377)]