1604976640

素因数分解:

$2^{17}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 4026516480

約数和(自身を除く): 2421539840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 256, 310, 316, 320, 395, 496, 512, 620, 632, 640, 790, 992, 1024, 1240, 1264, 1280, 1580, 1984, 2048, 2449, 2480, 2528, 2560, 3160, 3968, 4096, 4898, 4960, 5056, 5120, 6320, 7936, 8192, 9796, 9920, 10112, 10240, 12245, 12640, 15872, 16384, 19592, 19840, 20224, 20480, 24490, 25280, 31744, 32768, 39184, 39680, 40448, 40960, 48980, 50560, 63488, 65536, 78368, 79360, 80896, 81920, 97960, 101120, 126976, 131072, 156736, 158720, 161792, 163840, 195920, 202240, 253952, 313472, 317440, 323584, 327680, 391840, 404480, 507904, 626944, 634880, 647168, 655360, 783680, 808960, 1015808, 1253888, 1269760, 1294336, 1567360, 1617920, 2031616, 2507776, 2539520, 2588672, 3134720, 3235840, 4063232, 5015552, 5079040, 5177344, 6269440, 6471680, 10031104, 10158080, 10354688, 12538880, 12943360, 20062208, 20316160, 25077760, 25886720, 40124416, 50155520, 51773440, 80248832, 100311040, 160497664, 200622080, 320995328, 401244160, 802488320, 1604976640]

約数ペア:

[(1, 1604976640), (2, 802488320), (4, 401244160), (5, 320995328), (8, 200622080), (10, 160497664), (16, 100311040), (20, 80248832), (31, 51773440), (32, 50155520), (40, 40124416), (62, 25886720), (64, 25077760), (79, 20316160), (80, 20062208), (124, 12943360), (128, 12538880), (155, 10354688), (158, 10158080), (160, 10031104), (248, 6471680), (256, 6269440), (310, 5177344), (316, 5079040), (320, 5015552), (395, 4063232), (496, 3235840), (512, 3134720), (620, 2588672), (632, 2539520), (640, 2507776), (790, 2031616), (992, 1617920), (1024, 1567360), (1240, 1294336), (1264, 1269760), (1280, 1253888), (1580, 1015808), (1984, 808960), (2048, 783680), (2449, 655360), (2480, 647168), (2528, 634880), (2560, 626944), (3160, 507904), (3968, 404480), (4096, 391840), (4898, 327680), (4960, 323584), (5056, 317440), (5120, 313472), (6320, 253952), (7936, 202240), (8192, 195920), (9796, 163840), (9920, 161792), (10112, 158720), (10240, 156736), (12245, 131072), (12640, 126976), (15872, 101120), (16384, 97960), (19592, 81920), (19840, 80896), (20224, 79360), (20480, 78368), (24490, 65536), (25280, 63488), (31744, 50560), (32768, 48980), (39184, 40960), (39680, 40448)]