401888960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 224

約数和(自身を含む): 1123614720

約数和(自身を除く): 721725760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 32, 40, 44, 55, 58, 62, 64, 80, 88, 110, 116, 124, 127, 145, 155, 160, 176, 220, 232, 248, 254, 290, 310, 319, 320, 341, 352, 440, 464, 496, 508, 580, 620, 635, 638, 682, 704, 880, 899, 928, 992, 1016, 1160, 1240, 1270, 1276, 1364, 1397, 1595, 1705, 1760, 1798, 1856, 1984, 2032, 2320, 2480, 2540, 2552, 2728, 2794, 3190, 3410, 3520, 3596, 3683, 3937, 4064, 4495, 4640, 4960, 5080, 5104, 5456, 5588, 6380, 6820, 6985, 7192, 7366, 7874, 8128, 8990, 9280, 9889, 9920, 10160, 10208, 10912, 11176, 12760, 13640, 13970, 14384, 14732, 15748, 17980, 18415, 19685, 19778, 20320, 20416, 21824, 22352, 25520, 27280, 27940, 28768, 29464, 31496, 35960, 36830, 39370, 39556, 40513, 40640, 43307, 44704, 49445, 51040, 54560, 55880, 57536, 58928, 62992, 71920, 73660, 78740, 79112, 81026, 86614, 89408, 98890, 102080, 109120, 111760, 114173, 117856, 125984, 143840, 147320, 157480, 158224, 162052, 173228, 197780, 202565, 216535, 223520, 228346, 235712, 251968, 287680, 294640, 314960, 316448, 324104, 346456, 395560, 405130, 433070, 447040, 456692, 570865, 589280, 629920, 632896, 648208, 692912, 791120, 810260, 866140, 913384, 1141730, 1178560, 1255903, 1259840, 1296416, 1385824, 1582240, 1620520, 1732280, 1826768, 2283460, 2511806, 2592832, 2771648, 3164480, 3241040, 3464560, 3653536, 4566920, 5023612, 6279515, 6482080, 6929120, 7307072, 9133840, 10047224, 12559030, 12964160, 13858240, 18267680, 20094448, 25118060, 36535360, 40188896, 50236120, 80377792, 100472240, 200944480, 401888960]

約数ペア:

[(1, 401888960), (2, 200944480), (4, 100472240), (5, 80377792), (8, 50236120), (10, 40188896), (11, 36535360), (16, 25118060), (20, 20094448), (22, 18267680), (29, 13858240), (31, 12964160), (32, 12559030), (40, 10047224), (44, 9133840), (55, 7307072), (58, 6929120), (62, 6482080), (64, 6279515), (80, 5023612), (88, 4566920), (110, 3653536), (116, 3464560), (124, 3241040), (127, 3164480), (145, 2771648), (155, 2592832), (160, 2511806), (176, 2283460), (220, 1826768), (232, 1732280), (248, 1620520), (254, 1582240), (290, 1385824), (310, 1296416), (319, 1259840), (320, 1255903), (341, 1178560), (352, 1141730), (440, 913384), (464, 866140), (496, 810260), (508, 791120), (580, 692912), (620, 648208), (635, 632896), (638, 629920), (682, 589280), (704, 570865), (880, 456692), (899, 447040), (928, 433070), (992, 405130), (1016, 395560), (1160, 346456), (1240, 324104), (1270, 316448), (1276, 314960), (1364, 294640), (1397, 287680), (1595, 251968), (1705, 235712), (1760, 228346), (1798, 223520), (1856, 216535), (1984, 202565), (2032, 197780), (2320, 173228), (2480, 162052), (2540, 158224), (2552, 157480), (2728, 147320), (2794, 143840), (3190, 125984), (3410, 117856), (3520, 114173), (3596, 111760), (3683, 109120), (3937, 102080), (4064, 98890), (4495, 89408), (4640, 86614), (4960, 81026), (5080, 79112), (5104, 78740), (5456, 73660), (5588, 71920), (6380, 62992), (6820, 58928), (6985, 57536), (7192, 55880), (7366, 54560), (7874, 51040), (8128, 49445), (8990, 44704), (9280, 43307), (9889, 40640), (9920, 40513), (10160, 39556), (10208, 39370), (10912, 36830), (11176, 35960), (12760, 31496), (13640, 29464), (13970, 28768), (14384, 27940), (14732, 27280), (15748, 25520), (17980, 22352), (18415, 21824), (19685, 20416), (19778, 20320)]