747888640

素因数分解:

$2^{13}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:112

約数の個数: 168

約数和(自身を含む): 1952198280

約数和(自身を除く): 1204309640

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, 190, 248, 256, 304, 310, 320, 380, 496, 512, 589, 608, 620, 640, 760, 961, 992, 1024, 1178, 1216, 1240, 1280, 1520, 1922, 1984, 2048, 2356, 2432, 2480, 2560, 2945, 3040, 3844, 3968, 4096, 4712, 4805, 4864, 4960, 5120, 5890, 6080, 7688, 7936, 8192, 9424, 9610, 9728, 9920, 10240, 11780, 12160, 15376, 15872, 18259, 18848, 19220, 19456, 19840, 20480, 23560, 24320, 30752, 31744, 36518, 37696, 38440, 38912, 39680, 40960, 47120, 48640, 61504, 63488, 73036, 75392, 76880, 77824, 79360, 91295, 94240, 97280, 123008, 126976, 146072, 150784, 153760, 155648, 158720, 182590, 188480, 194560, 246016, 253952, 292144, 301568, 307520, 317440, 365180, 376960, 389120, 492032, 584288, 603136, 615040, 634880, 730360, 753920, 778240, 984064, 1168576, 1206272, 1230080, 1269760, 1460720, 1507840, 1968128, 2337152, 2412544, 2460160, 2921440, 3015680, 3936256, 4674304, 4825088, 4920320, 5842880, 6031360, 7872512, 9348608, 9840640, 11685760, 12062720, 18697216, 19681280, 23371520, 24125440, 37394432, 39362560, 46743040, 74788864, 93486080, 149577728, 186972160, 373944320, 747888640]

約数ペア:

[(1, 747888640), (2, 373944320), (4, 186972160), (5, 149577728), (8, 93486080), (10, 74788864), (16, 46743040), (19, 39362560), (20, 37394432), (31, 24125440), (32, 23371520), (38, 19681280), (40, 18697216), (62, 12062720), (64, 11685760), (76, 9840640), (80, 9348608), (95, 7872512), (124, 6031360), (128, 5842880), (152, 4920320), (155, 4825088), (160, 4674304), (190, 3936256), (248, 3015680), (256, 2921440), (304, 2460160), (310, 2412544), (320, 2337152), (380, 1968128), (496, 1507840), (512, 1460720), (589, 1269760), (608, 1230080), (620, 1206272), (640, 1168576), (760, 984064), (961, 778240), (992, 753920), (1024, 730360), (1178, 634880), (1216, 615040), (1240, 603136), (1280, 584288), (1520, 492032), (1922, 389120), (1984, 376960), (2048, 365180), (2356, 317440), (2432, 307520), (2480, 301568), (2560, 292144), (2945, 253952), (3040, 246016), (3844, 194560), (3968, 188480), (4096, 182590), (4712, 158720), (4805, 155648), (4864, 153760), (4960, 150784), (5120, 146072), (5890, 126976), (6080, 123008), (7688, 97280), (7936, 94240), (8192, 91295), (9424, 79360), (9610, 77824), (9728, 76880), (9920, 75392), (10240, 73036), (11780, 63488), (12160, 61504), (15376, 48640), (15872, 47120), (18259, 40960), (18848, 39680), (19220, 38912), (19456, 38440), (19840, 37696), (20480, 36518), (23560, 31744), (24320, 30752)]