668900960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6563}}^1$

素因数の和:6605

約数の個数: 144

約数和(自身を含む): 1979991216

約数和(自身を除く): 1311090256

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2548, 2912, 3185, 3640, 3920, 5096, 6370, 6563, 7280, 7840, 10192, 12740, 13126, 14560, 20384, 25480, 26252, 32815, 45941, 50960, 52504, 65630, 85319, 91882, 101920, 105008, 131260, 170638, 183764, 210016, 229705, 262520, 321587, 341276, 367528, 426595, 459410, 525040, 597233, 643174, 682552, 735056, 853190, 918820, 1050080, 1194466, 1286348, 1365104, 1470112, 1607935, 1706380, 1837640, 2388932, 2572696, 2730208, 2986165, 3215870, 3412760, 3675280, 4180631, 4777864, 5145392, 5972330, 6431740, 6825520, 7350560, 8361262, 9555728, 10290784, 11944660, 12863480, 13651040, 16722524, 19111456, 20903155, 23889320, 25726960, 33445048, 41806310, 47778640, 51453920, 66890096, 83612620, 95557280, 133780192, 167225240, 334450480, 668900960]

約数ペア:

[(1, 668900960), (2, 334450480), (4, 167225240), (5, 133780192), (7, 95557280), (8, 83612620), (10, 66890096), (13, 51453920), (14, 47778640), (16, 41806310), (20, 33445048), (26, 25726960), (28, 23889320), (32, 20903155), (35, 19111456), (40, 16722524), (49, 13651040), (52, 12863480), (56, 11944660), (65, 10290784), (70, 9555728), (80, 8361262), (91, 7350560), (98, 6825520), (104, 6431740), (112, 5972330), (130, 5145392), (140, 4777864), (160, 4180631), (182, 3675280), (196, 3412760), (208, 3215870), (224, 2986165), (245, 2730208), (260, 2572696), (280, 2388932), (364, 1837640), (392, 1706380), (416, 1607935), (455, 1470112), (490, 1365104), (520, 1286348), (560, 1194466), (637, 1050080), (728, 918820), (784, 853190), (910, 735056), (980, 682552), (1040, 643174), (1120, 597233), (1274, 525040), (1456, 459410), (1568, 426595), (1820, 367528), (1960, 341276), (2080, 321587), (2548, 262520), (2912, 229705), (3185, 210016), (3640, 183764), (3920, 170638), (5096, 131260), (6370, 105008), (6563, 101920), (7280, 91882), (7840, 85319), (10192, 65630), (12740, 52504), (13126, 50960), (14560, 45941), (20384, 32815), (25480, 26252)]