2981396480

素因数分解:

$2^{15}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 7398639360

約数和(自身を除く): 4417242880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 587, 620, 640, 992, 1024, 1174, 1240, 1280, 1984, 2048, 2348, 2480, 2560, 2935, 3968, 4096, 4696, 4960, 5120, 5870, 7936, 8192, 9392, 9920, 10240, 11740, 15872, 16384, 18197, 18784, 19840, 20480, 23480, 31744, 32768, 36394, 37568, 39680, 40960, 46960, 63488, 72788, 75136, 79360, 81920, 90985, 93920, 126976, 145576, 150272, 158720, 163840, 181970, 187840, 253952, 291152, 300544, 317440, 363940, 375680, 507904, 582304, 601088, 634880, 727880, 751360, 1015808, 1164608, 1202176, 1269760, 1455760, 1502720, 2329216, 2404352, 2539520, 2911520, 3005440, 4658432, 4808704, 5079040, 5823040, 6010880, 9316864, 9617408, 11646080, 12021760, 18633728, 19234816, 23292160, 24043520, 37267456, 46584320, 48087040, 74534912, 93168640, 96174080, 149069824, 186337280, 298139648, 372674560, 596279296, 745349120, 1490698240, 2981396480]

約数ペア:

[(1, 2981396480), (2, 1490698240), (4, 745349120), (5, 596279296), (8, 372674560), (10, 298139648), (16, 186337280), (20, 149069824), (31, 96174080), (32, 93168640), (40, 74534912), (62, 48087040), (64, 46584320), (80, 37267456), (124, 24043520), (128, 23292160), (155, 19234816), (160, 18633728), (248, 12021760), (256, 11646080), (310, 9617408), (320, 9316864), (496, 6010880), (512, 5823040), (587, 5079040), (620, 4808704), (640, 4658432), (992, 3005440), (1024, 2911520), (1174, 2539520), (1240, 2404352), (1280, 2329216), (1984, 1502720), (2048, 1455760), (2348, 1269760), (2480, 1202176), (2560, 1164608), (2935, 1015808), (3968, 751360), (4096, 727880), (4696, 634880), (4960, 601088), (5120, 582304), (5870, 507904), (7936, 375680), (8192, 363940), (9392, 317440), (9920, 300544), (10240, 291152), (11740, 253952), (15872, 187840), (16384, 181970), (18197, 163840), (18784, 158720), (19840, 150272), (20480, 145576), (23480, 126976), (31744, 93920), (32768, 90985), (36394, 81920), (37568, 79360), (39680, 75136), (40960, 72788), (46960, 63488)]