255958920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{33857}}^1$

素因数の和:33884

約数の個数: 128

約数和(自身を含む): 975110400

約数和(自身を除く): 719151480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 33857, 67714, 101571, 135428, 169285, 203142, 236999, 270856, 304713, 338570, 406284, 473998, 507855, 609426, 677140, 710997, 812568, 914139, 947996, 1015710, 1184995, 1218852, 1354280, 1421994, 1523565, 1828278, 1895992, 2031420, 2132991, 2369990, 2437704, 2843988, 3047130, 3554985, 3656556, 4062840, 4265982, 4570695, 4739980, 5687976, 6094260, 6398973, 7109970, 7313112, 8531964, 9141390, 9479960, 10664955, 12188520, 12797946, 14219940, 17063928, 18282780, 21329910, 25595892, 28439880, 31994865, 36565560, 42659820, 51191784, 63989730, 85319640, 127979460, 255958920]

約数ペア:

[(1, 255958920), (2, 127979460), (3, 85319640), (4, 63989730), (5, 51191784), (6, 42659820), (7, 36565560), (8, 31994865), (9, 28439880), (10, 25595892), (12, 21329910), (14, 18282780), (15, 17063928), (18, 14219940), (20, 12797946), (21, 12188520), (24, 10664955), (27, 9479960), (28, 9141390), (30, 8531964), (35, 7313112), (36, 7109970), (40, 6398973), (42, 6094260), (45, 5687976), (54, 4739980), (56, 4570695), (60, 4265982), (63, 4062840), (70, 3656556), (72, 3554985), (84, 3047130), (90, 2843988), (105, 2437704), (108, 2369990), (120, 2132991), (126, 2031420), (135, 1895992), (140, 1828278), (168, 1523565), (180, 1421994), (189, 1354280), (210, 1218852), (216, 1184995), (252, 1015710), (270, 947996), (280, 914139), (315, 812568), (360, 710997), (378, 677140), (420, 609426), (504, 507855), (540, 473998), (630, 406284), (756, 338570), (840, 304713), (945, 270856), (1080, 236999), (1260, 203142), (1512, 169285), (1890, 135428), (2520, 101571), (3780, 67714), (7560, 33857)]