16989840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3371}}^1$

素因数の和:3397

約数の個数: 120

約数和(自身を含む): 65227968

約数和(自身を除く): 48238128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3371, 5040, 6742, 10113, 13484, 16855, 20226, 23597, 26968, 30339, 33710, 40452, 47194, 50565, 53936, 60678, 67420, 70791, 80904, 94388, 101130, 117985, 121356, 134840, 141582, 151695, 161808, 188776, 202260, 212373, 235970, 242712, 269680, 283164, 303390, 353955, 377552, 404520, 424746, 471940, 485424, 566328, 606780, 707910, 809040, 849492, 943880, 1061865, 1132656, 1213560, 1415820, 1698984, 1887760, 2123730, 2427120, 2831640, 3397968, 4247460, 5663280, 8494920, 16989840]

約数ペア:

[(1, 16989840), (2, 8494920), (3, 5663280), (4, 4247460), (5, 3397968), (6, 2831640), (7, 2427120), (8, 2123730), (9, 1887760), (10, 1698984), (12, 1415820), (14, 1213560), (15, 1132656), (16, 1061865), (18, 943880), (20, 849492), (21, 809040), (24, 707910), (28, 606780), (30, 566328), (35, 485424), (36, 471940), (40, 424746), (42, 404520), (45, 377552), (48, 353955), (56, 303390), (60, 283164), (63, 269680), (70, 242712), (72, 235970), (80, 212373), (84, 202260), (90, 188776), (105, 161808), (112, 151695), (120, 141582), (126, 134840), (140, 121356), (144, 117985), (168, 101130), (180, 94388), (210, 80904), (240, 70791), (252, 67420), (280, 60678), (315, 53936), (336, 50565), (360, 47194), (420, 40452), (504, 33710), (560, 30339), (630, 26968), (720, 23597), (840, 20226), (1008, 16855), (1260, 13484), (1680, 10113), (2520, 6742), (3371, 5040)]