128941980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5953}}^1$

素因数の和:6003

約数の個数: 72

約数和(自身を含む): 381103632

約数和(自身を除く): 252161652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1805, 2166, 3610, 4332, 5415, 5953, 7220, 10830, 11906, 17859, 21660, 23812, 29765, 35718, 59530, 71436, 89295, 113107, 119060, 178590, 226214, 339321, 357180, 452428, 565535, 678642, 1131070, 1357284, 1696605, 2149033, 2262140, 3393210, 4298066, 6447099, 6786420, 8596132, 10745165, 12894198, 21490330, 25788396, 32235495, 42980660, 64470990, 128941980]

約数ペア:

[(1, 128941980), (2, 64470990), (3, 42980660), (4, 32235495), (5, 25788396), (6, 21490330), (10, 12894198), (12, 10745165), (15, 8596132), (19, 6786420), (20, 6447099), (30, 4298066), (38, 3393210), (57, 2262140), (60, 2149033), (76, 1696605), (95, 1357284), (114, 1131070), (190, 678642), (228, 565535), (285, 452428), (361, 357180), (380, 339321), (570, 226214), (722, 178590), (1083, 119060), (1140, 113107), (1444, 89295), (1805, 71436), (2166, 59530), (3610, 35718), (4332, 29765), (5415, 23812), (5953, 21660), (7220, 17859), (10830, 11906)]