72210680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 168920640

約数和(自身を除く): 96709960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 503, 740, 776, 970, 1006, 1480, 1940, 2012, 2515, 3589, 3880, 4024, 5030, 7178, 10060, 14356, 17945, 18611, 20120, 28712, 35890, 37222, 48791, 71780, 74444, 93055, 97582, 143560, 148888, 186110, 195164, 243955, 372220, 390328, 487910, 744440, 975820, 1805267, 1951640, 3610534, 7221068, 9026335, 14442136, 18052670, 36105340, 72210680]

約数ペア:

[(1, 72210680), (2, 36105340), (4, 18052670), (5, 14442136), (8, 9026335), (10, 7221068), (20, 3610534), (37, 1951640), (40, 1805267), (74, 975820), (97, 744440), (148, 487910), (185, 390328), (194, 372220), (296, 243955), (370, 195164), (388, 186110), (485, 148888), (503, 143560), (740, 97582), (776, 93055), (970, 74444), (1006, 71780), (1480, 48791), (1940, 37222), (2012, 35890), (2515, 28712), (3589, 20120), (3880, 18611), (4024, 17945), (5030, 14356), (7178, 10060)]