1239067520

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 3245754240

約数和(自身を除く): 2006686720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 173, 190, 248, 304, 310, 320, 346, 361, 380, 496, 589, 608, 620, 640, 692, 722, 760, 865, 992, 1178, 1216, 1240, 1384, 1444, 1520, 1730, 1805, 1984, 2356, 2432, 2480, 2768, 2888, 2945, 3040, 3287, 3460, 3610, 3968, 4712, 4960, 5363, 5536, 5776, 5890, 6080, 6574, 6920, 7220, 9424, 9920, 10726, 11072, 11191, 11552, 11780, 12160, 13148, 13840, 14440, 16435, 18848, 19840, 21452, 22144, 22382, 23104, 23560, 26296, 26815, 27680, 28880, 32870, 37696, 42904, 44764, 46208, 47120, 52592, 53630, 55360, 55955, 57760, 62453, 65740, 75392, 85808, 89528, 94240, 101897, 105184, 107260, 110720, 111910, 115520, 124906, 131480, 171616, 179056, 188480, 203794, 210368, 214520, 223820, 231040, 249812, 262960, 312265, 343232, 358112, 376960, 407588, 420736, 429040, 447640, 499624, 509485, 525920, 624530, 686464, 716224, 815176, 858080, 895280, 999248, 1018970, 1051840, 1249060, 1432448, 1630352, 1716160, 1790560, 1936043, 1998496, 2037940, 2103680, 2498120, 3260704, 3432320, 3581120, 3872086, 3996992, 4075880, 4996240, 6521408, 7162240, 7744172, 7993984, 8151760, 9680215, 9992480, 13042816, 15488344, 16303520, 19360430, 19984960, 30976688, 32607040, 38720860, 39969920, 61953376, 65214080, 77441720, 123906752, 154883440, 247813504, 309766880, 619533760, 1239067520]

約数ペア:

[(1, 1239067520), (2, 619533760), (4, 309766880), (5, 247813504), (8, 154883440), (10, 123906752), (16, 77441720), (19, 65214080), (20, 61953376), (31, 39969920), (32, 38720860), (38, 32607040), (40, 30976688), (62, 19984960), (64, 19360430), (76, 16303520), (80, 15488344), (95, 13042816), (124, 9992480), (128, 9680215), (152, 8151760), (155, 7993984), (160, 7744172), (173, 7162240), (190, 6521408), (248, 4996240), (304, 4075880), (310, 3996992), (320, 3872086), (346, 3581120), (361, 3432320), (380, 3260704), (496, 2498120), (589, 2103680), (608, 2037940), (620, 1998496), (640, 1936043), (692, 1790560), (722, 1716160), (760, 1630352), (865, 1432448), (992, 1249060), (1178, 1051840), (1216, 1018970), (1240, 999248), (1384, 895280), (1444, 858080), (1520, 815176), (1730, 716224), (1805, 686464), (1984, 624530), (2356, 525920), (2432, 509485), (2480, 499624), (2768, 447640), (2888, 429040), (2945, 420736), (3040, 407588), (3287, 376960), (3460, 358112), (3610, 343232), (3968, 312265), (4712, 262960), (4960, 249812), (5363, 231040), (5536, 223820), (5776, 214520), (5890, 210368), (6080, 203794), (6574, 188480), (6920, 179056), (7220, 171616), (9424, 131480), (9920, 124906), (10726, 115520), (11072, 111910), (11191, 110720), (11552, 107260), (11780, 105184), (12160, 101897), (13148, 94240), (13840, 89528), (14440, 85808), (16435, 75392), (18848, 65740), (19840, 62453), (21452, 57760), (22144, 55955), (22382, 55360), (23104, 53630), (23560, 52592), (26296, 47120), (26815, 46208), (27680, 44764), (28880, 42904), (32870, 37696)]