215684580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1549

約数の個数: 96

約数和(自身を含む): 640805760

約数和(自身を除く): 425121180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 137, 190, 228, 274, 285, 380, 411, 548, 570, 685, 822, 1140, 1370, 1381, 1644, 2055, 2603, 2740, 2762, 4110, 4143, 5206, 5524, 6905, 7809, 8220, 8286, 10412, 13015, 13810, 15618, 16572, 20715, 26030, 26239, 27620, 31236, 39045, 41430, 52060, 52478, 78090, 78717, 82860, 104956, 131195, 156180, 157434, 189197, 262390, 314868, 378394, 393585, 524780, 567591, 756788, 787170, 945985, 1135182, 1574340, 1891970, 2270364, 2837955, 3594743, 3783940, 5675910, 7189486, 10784229, 11351820, 14378972, 17973715, 21568458, 35947430, 43136916, 53921145, 71894860, 107842290, 215684580]

約数ペア:

[(1, 215684580), (2, 107842290), (3, 71894860), (4, 53921145), (5, 43136916), (6, 35947430), (10, 21568458), (12, 17973715), (15, 14378972), (19, 11351820), (20, 10784229), (30, 7189486), (38, 5675910), (57, 3783940), (60, 3594743), (76, 2837955), (95, 2270364), (114, 1891970), (137, 1574340), (190, 1135182), (228, 945985), (274, 787170), (285, 756788), (380, 567591), (411, 524780), (548, 393585), (570, 378394), (685, 314868), (822, 262390), (1140, 189197), (1370, 157434), (1381, 156180), (1644, 131195), (2055, 104956), (2603, 82860), (2740, 78717), (2762, 78090), (4110, 52478), (4143, 52060), (5206, 41430), (5524, 39045), (6905, 31236), (7809, 27620), (8220, 26239), (8286, 26030), (10412, 20715), (13015, 16572), (13810, 15618)]