1720879560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3697}}^1$

素因数の和:4148

約数の個数: 128

約数和(自身を含む): 5751129600

約数和(自身を除く): 4030250040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 431, 540, 862, 1080, 1293, 1724, 2155, 2586, 3448, 3697, 3879, 4310, 5172, 6465, 7394, 7758, 8620, 10344, 11091, 11637, 12930, 14788, 15516, 17240, 18485, 19395, 22182, 23274, 25860, 29576, 31032, 33273, 36970, 38790, 44364, 46548, 51720, 55455, 58185, 66546, 73940, 77580, 88728, 93096, 99819, 110910, 116370, 133092, 147880, 155160, 166365, 199638, 221820, 232740, 266184, 332730, 399276, 443640, 465480, 499095, 665460, 798552, 998190, 1330920, 1593407, 1996380, 3186814, 3992760, 4780221, 6373628, 7967035, 9560442, 12747256, 14340663, 15934070, 19120884, 23901105, 28681326, 31868140, 38241768, 43021989, 47802210, 57362652, 63736280, 71703315, 86043978, 95604420, 114725304, 143406630, 172087956, 191208840, 215109945, 286813260, 344175912, 430219890, 573626520, 860439780, 1720879560]

約数ペア:

[(1, 1720879560), (2, 860439780), (3, 573626520), (4, 430219890), (5, 344175912), (6, 286813260), (8, 215109945), (9, 191208840), (10, 172087956), (12, 143406630), (15, 114725304), (18, 95604420), (20, 86043978), (24, 71703315), (27, 63736280), (30, 57362652), (36, 47802210), (40, 43021989), (45, 38241768), (54, 31868140), (60, 28681326), (72, 23901105), (90, 19120884), (108, 15934070), (120, 14340663), (135, 12747256), (180, 9560442), (216, 7967035), (270, 6373628), (360, 4780221), (431, 3992760), (540, 3186814), (862, 1996380), (1080, 1593407), (1293, 1330920), (1724, 998190), (2155, 798552), (2586, 665460), (3448, 499095), (3697, 465480), (3879, 443640), (4310, 399276), (5172, 332730), (6465, 266184), (7394, 232740), (7758, 221820), (8620, 199638), (10344, 166365), (11091, 155160), (11637, 147880), (12930, 133092), (14788, 116370), (15516, 110910), (17240, 99819), (18485, 93096), (19395, 88728), (22182, 77580), (23274, 73940), (25860, 66546), (29576, 58185), (31032, 55455), (33273, 51720), (36970, 46548), (38790, 44364)]