855381680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1\times {\mathrm{733}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 2064242880

約数和(自身を除く): 1208861200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 503, 580, 733, 1006, 1160, 1466, 2012, 2320, 2515, 2932, 3665, 4024, 5030, 5864, 7330, 8048, 10060, 11728, 14587, 14660, 20120, 21257, 29174, 29320, 40240, 42514, 58348, 58640, 72935, 85028, 106285, 116696, 145870, 170056, 212570, 233392, 291740, 340112, 368699, 425140, 583480, 737398, 850280, 1166960, 1474796, 1700560, 1843495, 2949592, 3686990, 5899184, 7373980, 10692271, 14747960, 21384542, 29495920, 42769084, 53461355, 85538168, 106922710, 171076336, 213845420, 427690840, 855381680]

約数ペア:

[(1, 855381680), (2, 427690840), (4, 213845420), (5, 171076336), (8, 106922710), (10, 85538168), (16, 53461355), (20, 42769084), (29, 29495920), (40, 21384542), (58, 14747960), (80, 10692271), (116, 7373980), (145, 5899184), (232, 3686990), (290, 2949592), (464, 1843495), (503, 1700560), (580, 1474796), (733, 1166960), (1006, 850280), (1160, 737398), (1466, 583480), (2012, 425140), (2320, 368699), (2515, 340112), (2932, 291740), (3665, 233392), (4024, 212570), (5030, 170056), (5864, 145870), (7330, 116696), (8048, 106285), (10060, 85028), (11728, 72935), (14587, 58640), (14660, 58348), (20120, 42514), (21257, 40240), (29174, 29320)]