313995760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{359}}^1$

素因数の和:443

約数の個数: 120

約数和(自身を含む): 816510240

約数和(自身を除く): 502514480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 359, 377, 464, 520, 580, 718, 754, 841, 1040, 1160, 1436, 1508, 1682, 1795, 1885, 2320, 2872, 3016, 3364, 3590, 3770, 4205, 4667, 5744, 6032, 6728, 7180, 7540, 8410, 9334, 10411, 10933, 13456, 14360, 15080, 16820, 18668, 20822, 21866, 23335, 28720, 30160, 33640, 37336, 41644, 43732, 46670, 52055, 54665, 67280, 74672, 83288, 87464, 93340, 104110, 109330, 135343, 166576, 174928, 186680, 208220, 218660, 270686, 301919, 373360, 416440, 437320, 541372, 603838, 676715, 832880, 874640, 1082744, 1207676, 1353430, 1509595, 2165488, 2415352, 2706860, 3019190, 3924947, 4830704, 5413720, 6038380, 7849894, 10827440, 12076760, 15699788, 19624735, 24153520, 31399576, 39249470, 62799152, 78498940, 156997880, 313995760]

約数ペア:

[(1, 313995760), (2, 156997880), (4, 78498940), (5, 62799152), (8, 39249470), (10, 31399576), (13, 24153520), (16, 19624735), (20, 15699788), (26, 12076760), (29, 10827440), (40, 7849894), (52, 6038380), (58, 5413720), (65, 4830704), (80, 3924947), (104, 3019190), (116, 2706860), (130, 2415352), (145, 2165488), (208, 1509595), (232, 1353430), (260, 1207676), (290, 1082744), (359, 874640), (377, 832880), (464, 676715), (520, 603838), (580, 541372), (718, 437320), (754, 416440), (841, 373360), (1040, 301919), (1160, 270686), (1436, 218660), (1508, 208220), (1682, 186680), (1795, 174928), (1885, 166576), (2320, 135343), (2872, 109330), (3016, 104110), (3364, 93340), (3590, 87464), (3770, 83288), (4205, 74672), (4667, 67280), (5744, 54665), (6032, 52055), (6728, 46670), (7180, 43732), (7540, 41644), (8410, 37336), (9334, 33640), (10411, 30160), (10933, 28720), (13456, 23335), (14360, 21866), (15080, 20822), (16820, 18668)]