668255840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1085

約数の個数: 192

約数和(自身を含む): 1962455040

約数和(自身を除く): 1294199200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 608, 620, 665, 760, 868, 992, 1013, 1064, 1085, 1120, 1178, 1240, 1330, 1520, 1736, 2026, 2128, 2170, 2356, 2480, 2660, 2945, 3040, 3472, 4052, 4123, 4256, 4340, 4712, 4960, 5065, 5320, 5890, 6944, 7091, 8104, 8246, 8680, 9424, 10130, 10640, 11780, 14182, 16208, 16492, 17360, 18848, 19247, 20260, 20615, 21280, 23560, 28364, 31403, 32416, 32984, 34720, 35455, 38494, 40520, 41230, 47120, 56728, 62806, 65968, 70910, 76988, 81040, 82460, 94240, 96235, 113456, 125612, 131936, 134729, 141820, 153976, 157015, 162080, 164920, 192470, 219821, 226912, 251224, 269458, 283640, 307952, 314030, 329840, 384940, 439642, 502448, 538916, 567280, 596657, 615904, 628060, 659680, 673645, 769880, 879284, 1004896, 1077832, 1099105, 1134560, 1193314, 1256120, 1347290, 1539760, 1758568, 2155664, 2198210, 2386628, 2512240, 2694580, 2983285, 3079520, 3517136, 4176599, 4311328, 4396420, 4773256, 5024480, 5389160, 5966570, 7034272, 8353198, 8792840, 9546512, 10778320, 11933140, 16706396, 17585680, 19093024, 20882995, 21556640, 23866280, 33412792, 35171360, 41765990, 47732560, 66825584, 83531980, 95465120, 133651168, 167063960, 334127920, 668255840]

約数ペア:

[(1, 668255840), (2, 334127920), (4, 167063960), (5, 133651168), (7, 95465120), (8, 83531980), (10, 66825584), (14, 47732560), (16, 41765990), (19, 35171360), (20, 33412792), (28, 23866280), (31, 21556640), (32, 20882995), (35, 19093024), (38, 17585680), (40, 16706396), (56, 11933140), (62, 10778320), (70, 9546512), (76, 8792840), (80, 8353198), (95, 7034272), (112, 5966570), (124, 5389160), (133, 5024480), (140, 4773256), (152, 4396420), (155, 4311328), (160, 4176599), (190, 3517136), (217, 3079520), (224, 2983285), (248, 2694580), (266, 2512240), (280, 2386628), (304, 2198210), (310, 2155664), (380, 1758568), (434, 1539760), (496, 1347290), (532, 1256120), (560, 1193314), (589, 1134560), (608, 1099105), (620, 1077832), (665, 1004896), (760, 879284), (868, 769880), (992, 673645), (1013, 659680), (1064, 628060), (1085, 615904), (1120, 596657), (1178, 567280), (1240, 538916), (1330, 502448), (1520, 439642), (1736, 384940), (2026, 329840), (2128, 314030), (2170, 307952), (2356, 283640), (2480, 269458), (2660, 251224), (2945, 226912), (3040, 219821), (3472, 192470), (4052, 164920), (4123, 162080), (4256, 157015), (4340, 153976), (4712, 141820), (4960, 134729), (5065, 131936), (5320, 125612), (5890, 113456), (6944, 96235), (7091, 94240), (8104, 82460), (8246, 81040), (8680, 76988), (9424, 70910), (10130, 65968), (10640, 62806), (11780, 56728), (14182, 47120), (16208, 41230), (16492, 40520), (17360, 38494), (18848, 35455), (19247, 34720), (20260, 32984), (20615, 32416), (21280, 31403), (23560, 28364)]