261502080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19457}}^1$

素因数の和:19486

約数の個数: 128

約数和(自身を含む): 952663680

約数和(自身を除く): 691161600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19457, 38914, 58371, 77828, 97285, 116742, 136199, 155656, 194570, 233484, 272398, 291855, 311312, 389140, 408597, 466968, 544796, 583710, 622624, 680995, 778280, 817194, 933936, 1089592, 1167420, 1245248, 1361990, 1556560, 1634388, 1867872, 2042985, 2179184, 2334840, 2490496, 2723980, 3113120, 3268776, 3735744, 4085970, 4358368, 4669680, 5447960, 6226240, 6537552, 7471488, 8171940, 8716736, 9339360, 10895920, 12452480, 13075104, 16343880, 17433472, 18678720, 21791840, 26150208, 32687760, 37357440, 43583680, 52300416, 65375520, 87167360, 130751040, 261502080]

約数ペア:

[(1, 261502080), (2, 130751040), (3, 87167360), (4, 65375520), (5, 52300416), (6, 43583680), (7, 37357440), (8, 32687760), (10, 26150208), (12, 21791840), (14, 18678720), (15, 17433472), (16, 16343880), (20, 13075104), (21, 12452480), (24, 10895920), (28, 9339360), (30, 8716736), (32, 8171940), (35, 7471488), (40, 6537552), (42, 6226240), (48, 5447960), (56, 4669680), (60, 4358368), (64, 4085970), (70, 3735744), (80, 3268776), (84, 3113120), (96, 2723980), (105, 2490496), (112, 2334840), (120, 2179184), (128, 2042985), (140, 1867872), (160, 1634388), (168, 1556560), (192, 1361990), (210, 1245248), (224, 1167420), (240, 1089592), (280, 933936), (320, 817194), (336, 778280), (384, 680995), (420, 622624), (448, 583710), (480, 544796), (560, 466968), (640, 408597), (672, 389140), (840, 311312), (896, 291855), (960, 272398), (1120, 233484), (1344, 194570), (1680, 155656), (1920, 136199), (2240, 116742), (2688, 97285), (3360, 77828), (4480, 58371), (6720, 38914), (13440, 19457)]