1968604160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 176

約数和(自身を含む): 4967823360

約数和(自身を除く): 2999219200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 157, 158, 160, 248, 256, 310, 314, 316, 320, 395, 496, 512, 620, 628, 632, 640, 785, 790, 992, 1024, 1240, 1256, 1264, 1280, 1570, 1580, 1984, 2449, 2480, 2512, 2528, 2560, 3140, 3160, 3968, 4867, 4898, 4960, 5024, 5056, 5120, 6280, 6320, 7936, 9734, 9796, 9920, 10048, 10112, 12245, 12403, 12560, 12640, 15872, 19468, 19592, 19840, 20096, 20224, 24335, 24490, 24806, 25120, 25280, 31744, 38936, 39184, 39680, 40192, 40448, 48670, 48980, 49612, 50240, 50560, 62015, 77872, 78368, 79360, 80384, 80896, 97340, 97960, 99224, 100480, 101120, 124030, 155744, 156736, 158720, 160768, 194680, 195920, 198448, 200960, 202240, 248060, 311488, 313472, 384493, 389360, 391840, 396896, 401920, 404480, 496120, 622976, 626944, 768986, 778720, 783680, 793792, 803840, 992240, 1245952, 1253888, 1537972, 1557440, 1567360, 1587584, 1922465, 1984480, 2491904, 2507776, 3075944, 3114880, 3134720, 3175168, 3844930, 3968960, 4983808, 6151888, 6229760, 6269440, 6350336, 7689860, 7937920, 12303776, 12459520, 12538880, 12700672, 15379720, 15875840, 24607552, 24919040, 30759440, 31751680, 49215104, 61518880, 63503360, 98430208, 123037760, 196860416, 246075520, 393720832, 492151040, 984302080, 1968604160]

約数ペア:

[(1, 1968604160), (2, 984302080), (4, 492151040), (5, 393720832), (8, 246075520), (10, 196860416), (16, 123037760), (20, 98430208), (31, 63503360), (32, 61518880), (40, 49215104), (62, 31751680), (64, 30759440), (79, 24919040), (80, 24607552), (124, 15875840), (128, 15379720), (155, 12700672), (157, 12538880), (158, 12459520), (160, 12303776), (248, 7937920), (256, 7689860), (310, 6350336), (314, 6269440), (316, 6229760), (320, 6151888), (395, 4983808), (496, 3968960), (512, 3844930), (620, 3175168), (628, 3134720), (632, 3114880), (640, 3075944), (785, 2507776), (790, 2491904), (992, 1984480), (1024, 1922465), (1240, 1587584), (1256, 1567360), (1264, 1557440), (1280, 1537972), (1570, 1253888), (1580, 1245952), (1984, 992240), (2449, 803840), (2480, 793792), (2512, 783680), (2528, 778720), (2560, 768986), (3140, 626944), (3160, 622976), (3968, 496120), (4867, 404480), (4898, 401920), (4960, 396896), (5024, 391840), (5056, 389360), (5120, 384493), (6280, 313472), (6320, 311488), (7936, 248060), (9734, 202240), (9796, 200960), (9920, 198448), (10048, 195920), (10112, 194680), (12245, 160768), (12403, 158720), (12560, 156736), (12640, 155744), (15872, 124030), (19468, 101120), (19592, 100480), (19840, 99224), (20096, 97960), (20224, 97340), (24335, 80896), (24490, 80384), (24806, 79360), (25120, 78368), (25280, 77872), (31744, 62015), (38936, 50560), (39184, 50240), (39680, 49612), (40192, 48980), (40448, 48670)]