1665925120

素因数分解:

$2^{18}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:113

約数の個数: 152

約数和(自身を含む): 4227850368

約数和(自身を除く): 2561925248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 310, 320, 328, 410, 496, 512, 620, 640, 656, 820, 992, 1024, 1240, 1271, 1280, 1312, 1640, 1984, 2048, 2480, 2542, 2560, 2624, 3280, 3968, 4096, 4960, 5084, 5120, 5248, 6355, 6560, 7936, 8192, 9920, 10168, 10240, 10496, 12710, 13120, 15872, 16384, 19840, 20336, 20480, 20992, 25420, 26240, 31744, 32768, 39680, 40672, 40960, 41984, 50840, 52480, 63488, 65536, 79360, 81344, 81920, 83968, 101680, 104960, 126976, 131072, 158720, 162688, 163840, 167936, 203360, 209920, 253952, 262144, 317440, 325376, 327680, 335872, 406720, 419840, 507904, 634880, 650752, 655360, 671744, 813440, 839680, 1015808, 1269760, 1301504, 1310720, 1343488, 1626880, 1679360, 2031616, 2539520, 2603008, 2686976, 3253760, 3358720, 4063232, 5079040, 5206016, 5373952, 6507520, 6717440, 8126464, 10158080, 10412032, 10747904, 13015040, 13434880, 20316160, 20824064, 26030080, 26869760, 40632320, 41648128, 52060160, 53739520, 83296256, 104120320, 166592512, 208240640, 333185024, 416481280, 832962560, 1665925120]

約数ペア:

[(1, 1665925120), (2, 832962560), (4, 416481280), (5, 333185024), (8, 208240640), (10, 166592512), (16, 104120320), (20, 83296256), (31, 53739520), (32, 52060160), (40, 41648128), (41, 40632320), (62, 26869760), (64, 26030080), (80, 20824064), (82, 20316160), (124, 13434880), (128, 13015040), (155, 10747904), (160, 10412032), (164, 10158080), (205, 8126464), (248, 6717440), (256, 6507520), (310, 5373952), (320, 5206016), (328, 5079040), (410, 4063232), (496, 3358720), (512, 3253760), (620, 2686976), (640, 2603008), (656, 2539520), (820, 2031616), (992, 1679360), (1024, 1626880), (1240, 1343488), (1271, 1310720), (1280, 1301504), (1312, 1269760), (1640, 1015808), (1984, 839680), (2048, 813440), (2480, 671744), (2542, 655360), (2560, 650752), (2624, 634880), (3280, 507904), (3968, 419840), (4096, 406720), (4960, 335872), (5084, 327680), (5120, 325376), (5248, 317440), (6355, 262144), (6560, 253952), (7936, 209920), (8192, 203360), (9920, 167936), (10168, 163840), (10240, 162688), (10496, 158720), (12710, 131072), (13120, 126976), (15872, 104960), (16384, 101680), (19840, 83968), (20336, 81920), (20480, 81344), (20992, 79360), (25420, 65536), (26240, 63488), (31744, 52480), (32768, 50840), (39680, 41984), (40672, 40960)]