780500280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1129}}^1$

素因数の和:1973

約数の個数: 128

約数和(自身を含む): 2681625600

約数和(自身を除く): 1901125320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 823, 840, 1129, 1646, 2258, 2469, 3292, 3387, 4115, 4516, 4938, 5645, 5761, 6584, 6774, 7903, 8230, 9032, 9876, 11290, 11522, 12345, 13548, 15806, 16460, 16935, 17283, 19752, 22580, 23044, 23709, 24690, 27096, 28805, 31612, 32920, 33870, 34566, 39515, 45160, 46088, 47418, 49380, 57610, 63224, 67740, 69132, 79030, 86415, 94836, 98760, 115220, 118545, 135480, 138264, 158060, 172830, 189672, 230440, 237090, 316120, 345660, 474180, 691320, 929167, 948360, 1858334, 2787501, 3716668, 4645835, 5575002, 6504169, 7433336, 9291670, 11150004, 13008338, 13937505, 18583340, 19512507, 22300008, 26016676, 27875010, 32520845, 37166680, 39025014, 52033352, 55750020, 65041690, 78050028, 97562535, 111500040, 130083380, 156100056, 195125070, 260166760, 390250140, 780500280]

約数ペア:

[(1, 780500280), (2, 390250140), (3, 260166760), (4, 195125070), (5, 156100056), (6, 130083380), (7, 111500040), (8, 97562535), (10, 78050028), (12, 65041690), (14, 55750020), (15, 52033352), (20, 39025014), (21, 37166680), (24, 32520845), (28, 27875010), (30, 26016676), (35, 22300008), (40, 19512507), (42, 18583340), (56, 13937505), (60, 13008338), (70, 11150004), (84, 9291670), (105, 7433336), (120, 6504169), (140, 5575002), (168, 4645835), (210, 3716668), (280, 2787501), (420, 1858334), (823, 948360), (840, 929167), (1129, 691320), (1646, 474180), (2258, 345660), (2469, 316120), (3292, 237090), (3387, 230440), (4115, 189672), (4516, 172830), (4938, 158060), (5645, 138264), (5761, 135480), (6584, 118545), (6774, 115220), (7903, 98760), (8230, 94836), (9032, 86415), (9876, 79030), (11290, 69132), (11522, 67740), (12345, 63224), (13548, 57610), (15806, 49380), (16460, 47418), (16935, 46088), (17283, 45160), (19752, 39515), (22580, 34566), (23044, 33870), (23709, 32920), (24690, 31612), (27096, 28805)]