728207360

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 156

約数和(自身を含む): 1854475164

約数和(自身を除く): 1126267804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 248, 256, 296, 310, 320, 370, 496, 512, 592, 620, 640, 740, 961, 992, 1024, 1147, 1184, 1240, 1280, 1480, 1922, 1984, 2048, 2294, 2368, 2480, 2560, 2960, 3844, 3968, 4096, 4588, 4736, 4805, 4960, 5120, 5735, 5920, 7688, 7936, 9176, 9472, 9610, 9920, 10240, 11470, 11840, 15376, 15872, 18352, 18944, 19220, 19840, 20480, 22940, 23680, 30752, 31744, 35557, 36704, 37888, 38440, 39680, 45880, 47360, 61504, 63488, 71114, 73408, 75776, 76880, 79360, 91760, 94720, 123008, 126976, 142228, 146816, 151552, 153760, 158720, 177785, 183520, 189440, 246016, 284456, 293632, 307520, 317440, 355570, 367040, 378880, 492032, 568912, 587264, 615040, 634880, 711140, 734080, 757760, 984064, 1137824, 1174528, 1230080, 1422280, 1468160, 1968128, 2275648, 2349056, 2460160, 2844560, 2936320, 3936256, 4551296, 4698112, 4920320, 5689120, 5872640, 9102592, 9840640, 11378240, 11745280, 18205184, 19681280, 22756480, 23490560, 36410368, 45512960, 72820736, 91025920, 145641472, 182051840, 364103680, 728207360]

約数ペア:

[(1, 728207360), (2, 364103680), (4, 182051840), (5, 145641472), (8, 91025920), (10, 72820736), (16, 45512960), (20, 36410368), (31, 23490560), (32, 22756480), (37, 19681280), (40, 18205184), (62, 11745280), (64, 11378240), (74, 9840640), (80, 9102592), (124, 5872640), (128, 5689120), (148, 4920320), (155, 4698112), (160, 4551296), (185, 3936256), (248, 2936320), (256, 2844560), (296, 2460160), (310, 2349056), (320, 2275648), (370, 1968128), (496, 1468160), (512, 1422280), (592, 1230080), (620, 1174528), (640, 1137824), (740, 984064), (961, 757760), (992, 734080), (1024, 711140), (1147, 634880), (1184, 615040), (1240, 587264), (1280, 568912), (1480, 492032), (1922, 378880), (1984, 367040), (2048, 355570), (2294, 317440), (2368, 307520), (2480, 293632), (2560, 284456), (2960, 246016), (3844, 189440), (3968, 183520), (4096, 177785), (4588, 158720), (4736, 153760), (4805, 151552), (4960, 146816), (5120, 142228), (5735, 126976), (5920, 123008), (7688, 94720), (7936, 91760), (9176, 79360), (9472, 76880), (9610, 75776), (9920, 73408), (10240, 71114), (11470, 63488), (11840, 61504), (15376, 47360), (15872, 45880), (18352, 39680), (18944, 38440), (19220, 37888), (19840, 36704), (20480, 35557), (22940, 31744), (23680, 30752)]