30408048020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{20747}}^1$

素因数の和:20830

約数の個数: 144

約数和(自身を含む): 79682279040

約数和(自身を除く): 49274231020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 35, 38, 58, 70, 76, 95, 116, 133, 140, 145, 190, 203, 266, 290, 361, 380, 406, 532, 551, 580, 665, 722, 812, 1015, 1102, 1330, 1444, 1805, 2030, 2204, 2527, 2660, 2755, 3610, 3857, 4060, 5054, 5510, 7220, 7714, 10108, 10469, 11020, 12635, 15428, 19285, 20747, 20938, 25270, 38570, 41494, 41876, 50540, 52345, 73283, 77140, 82988, 103735, 104690, 145229, 146566, 207470, 209380, 290458, 293132, 366415, 394193, 414940, 580916, 601663, 726145, 732830, 788386, 1203326, 1452290, 1465660, 1576772, 1970965, 2406652, 2759351, 2904580, 3008315, 3941930, 4211641, 5518702, 6016630, 7489667, 7883860, 8423282, 11037404, 11431597, 12033260, 13796755, 14979334, 16846564, 21058205, 22863194, 27593510, 29958668, 37448335, 42116410, 45726388, 52427669, 55187020, 57157985, 74896670, 80021179, 84232820, 104855338, 114315970, 149793340, 160042358, 209710676, 217200343, 228631940, 262138345, 320084716, 400105895, 434400686, 524276690, 800211790, 868801372, 1048553380, 1086001715, 1520402401, 1600423580, 2172003430, 3040804802, 4344006860, 6081609604, 7602012005, 15204024010, 30408048020]

約数ペア:

[(1, 30408048020), (2, 15204024010), (4, 7602012005), (5, 6081609604), (7, 4344006860), (10, 3040804802), (14, 2172003430), (19, 1600423580), (20, 1520402401), (28, 1086001715), (29, 1048553380), (35, 868801372), (38, 800211790), (58, 524276690), (70, 434400686), (76, 400105895), (95, 320084716), (116, 262138345), (133, 228631940), (140, 217200343), (145, 209710676), (190, 160042358), (203, 149793340), (266, 114315970), (290, 104855338), (361, 84232820), (380, 80021179), (406, 74896670), (532, 57157985), (551, 55187020), (580, 52427669), (665, 45726388), (722, 42116410), (812, 37448335), (1015, 29958668), (1102, 27593510), (1330, 22863194), (1444, 21058205), (1805, 16846564), (2030, 14979334), (2204, 13796755), (2527, 12033260), (2660, 11431597), (2755, 11037404), (3610, 8423282), (3857, 7883860), (4060, 7489667), (5054, 6016630), (5510, 5518702), (7220, 4211641), (7714, 3941930), (10108, 3008315), (10469, 2904580), (11020, 2759351), (12635, 2406652), (15428, 1970965), (19285, 1576772), (20747, 1465660), (20938, 1452290), (25270, 1203326), (38570, 788386), (41494, 732830), (41876, 726145), (50540, 601663), (52345, 580916), (73283, 414940), (77140, 394193), (82988, 366415), (103735, 293132), (104690, 290458), (145229, 209380), (146566, 207470)]