871463320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7723}}^1$

素因数の和:7785

約数の個数: 128

約数和(自身を含む): 2491453440

約数和(自身を除く): 1619990120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 4030, 4340, 5642, 7723, 8060, 8680, 11284, 14105, 15446, 16120, 22568, 28210, 30892, 38615, 54061, 56420, 61784, 77230, 100399, 108122, 112840, 154460, 200798, 216244, 239413, 270305, 308920, 401596, 432488, 478826, 501995, 540610, 702793, 803192, 957652, 1003990, 1081220, 1197065, 1405586, 1675891, 1915304, 2007980, 2162440, 2394130, 2811172, 3112369, 3351782, 3513965, 4015960, 4788260, 5622344, 6224738, 6703564, 7027930, 8379455, 9576520, 12449476, 13407128, 14055860, 15561845, 16758910, 21786583, 24898952, 28111720, 31123690, 33517820, 43573166, 62247380, 67035640, 87146332, 108932915, 124494760, 174292664, 217865830, 435731660, 871463320]

約数ペア:

[(1, 871463320), (2, 435731660), (4, 217865830), (5, 174292664), (7, 124494760), (8, 108932915), (10, 87146332), (13, 67035640), (14, 62247380), (20, 43573166), (26, 33517820), (28, 31123690), (31, 28111720), (35, 24898952), (40, 21786583), (52, 16758910), (56, 15561845), (62, 14055860), (65, 13407128), (70, 12449476), (91, 9576520), (104, 8379455), (124, 7027930), (130, 6703564), (140, 6224738), (155, 5622344), (182, 4788260), (217, 4015960), (248, 3513965), (260, 3351782), (280, 3112369), (310, 2811172), (364, 2394130), (403, 2162440), (434, 2007980), (455, 1915304), (520, 1675891), (620, 1405586), (728, 1197065), (806, 1081220), (868, 1003990), (910, 957652), (1085, 803192), (1240, 702793), (1612, 540610), (1736, 501995), (1820, 478826), (2015, 432488), (2170, 401596), (2821, 308920), (3224, 270305), (3640, 239413), (4030, 216244), (4340, 200798), (5642, 154460), (7723, 112840), (8060, 108122), (8680, 100399), (11284, 77230), (14105, 61784), (15446, 56420), (16120, 54061), (22568, 38615), (28210, 30892)]