722890240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9109}}^1$

素因数の和:9163

約数の個数: 80

約数和(自身を含む): 1789349760

約数和(自身を除く): 1066459520

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, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9109, 9920, 15872, 18218, 19840, 36436, 39680, 45545, 72872, 79360, 91090, 145744, 182180, 282379, 291488, 364360, 564758, 582976, 728720, 1129516, 1165952, 1411895, 1457440, 2259032, 2331904, 2823790, 2914880, 4518064, 4663808, 5647580, 5829760, 9036128, 11295160, 11659520, 18072256, 22590320, 23319040, 36144512, 45180640, 72289024, 90361280, 144578048, 180722560, 361445120, 722890240]

約数ペア:

[(1, 722890240), (2, 361445120), (4, 180722560), (5, 144578048), (8, 90361280), (10, 72289024), (16, 45180640), (20, 36144512), (31, 23319040), (32, 22590320), (40, 18072256), (62, 11659520), (64, 11295160), (80, 9036128), (124, 5829760), (128, 5647580), (155, 4663808), (160, 4518064), (248, 2914880), (256, 2823790), (310, 2331904), (320, 2259032), (496, 1457440), (512, 1411895), (620, 1165952), (640, 1129516), (992, 728720), (1240, 582976), (1280, 564758), (1984, 364360), (2480, 291488), (2560, 282379), (3968, 182180), (4960, 145744), (7936, 91090), (9109, 79360), (9920, 72872), (15872, 45545), (18218, 39680), (19840, 36436)]