318720639640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4159}}^1\times {\mathrm{8669}}^1$

素因数の和:12869

約数の個数: 128

約数和(自身を含む): 818004096000

約数和(自身を除く): 499283456360

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4159, 4420, 8318, 8669, 8840, 16636, 17338, 20795, 33272, 34676, 41590, 43345, 54067, 69352, 70703, 83180, 86690, 108134, 112697, 141406, 147373, 166360, 173380, 216268, 225394, 270335, 282812, 294746, 346760, 353515, 432536, 450788, 540670, 563485, 565624, 589492, 707030, 736865, 901576, 919139, 1081340, 1126970, 1178984, 1414060, 1473730, 1838278, 1915849, 2162680, 2253940, 2828120, 2947460, 3676556, 3831698, 4507880, 4595695, 5894920, 7353112, 7663396, 9191390, 9579245, 15326792, 18382780, 19158490, 36054371, 36765560, 38316980, 72108742, 76633960, 144217484, 180271855, 288434968, 360543710, 468706823, 612924307, 721087420, 937413646, 1225848614, 1442174840, 1874827292, 2343534115, 2451697228, 3064621535, 3749654584, 4687068230, 4903394456, 6129243070, 7968015991, 9374136460, 12258486140, 15936031982, 18748272920, 24516972280, 31872063964, 39840079955, 63744127928, 79680159910, 159360319820, 318720639640]

約数ペア:

[(1, 318720639640), (2, 159360319820), (4, 79680159910), (5, 63744127928), (8, 39840079955), (10, 31872063964), (13, 24516972280), (17, 18748272920), (20, 15936031982), (26, 12258486140), (34, 9374136460), (40, 7968015991), (52, 6129243070), (65, 4903394456), (68, 4687068230), (85, 3749654584), (104, 3064621535), (130, 2451697228), (136, 2343534115), (170, 1874827292), (221, 1442174840), (260, 1225848614), (340, 937413646), (442, 721087420), (520, 612924307), (680, 468706823), (884, 360543710), (1105, 288434968), (1768, 180271855), (2210, 144217484), (4159, 76633960), (4420, 72108742), (8318, 38316980), (8669, 36765560), (8840, 36054371), (16636, 19158490), (17338, 18382780), (20795, 15326792), (33272, 9579245), (34676, 9191390), (41590, 7663396), (43345, 7353112), (54067, 5894920), (69352, 4595695), (70703, 4507880), (83180, 3831698), (86690, 3676556), (108134, 2947460), (112697, 2828120), (141406, 2253940), (147373, 2162680), (166360, 1915849), (173380, 1838278), (216268, 1473730), (225394, 1414060), (270335, 1178984), (282812, 1126970), (294746, 1081340), (346760, 919139), (353515, 901576), (432536, 736865), (450788, 707030), (540670, 589492), (563485, 565624)]