258222720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19213}}^1$

素因数の和:19242

約数の個数: 128

約数和(自身を含む): 940717440

約数和(自身を除く): 682494720

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, 19213, 38426, 57639, 76852, 96065, 115278, 134491, 153704, 192130, 230556, 268982, 288195, 307408, 384260, 403473, 461112, 537964, 576390, 614816, 672455, 768520, 806946, 922224, 1075928, 1152780, 1229632, 1344910, 1537040, 1613892, 1844448, 2017365, 2151856, 2305560, 2459264, 2689820, 3074080, 3227784, 3688896, 4034730, 4303712, 4611120, 5379640, 6148160, 6455568, 7377792, 8069460, 8607424, 9222240, 10759280, 12296320, 12911136, 16138920, 17214848, 18444480, 21518560, 25822272, 32277840, 36888960, 43037120, 51644544, 64555680, 86074240, 129111360, 258222720]

約数ペア:

[(1, 258222720), (2, 129111360), (3, 86074240), (4, 64555680), (5, 51644544), (6, 43037120), (7, 36888960), (8, 32277840), (10, 25822272), (12, 21518560), (14, 18444480), (15, 17214848), (16, 16138920), (20, 12911136), (21, 12296320), (24, 10759280), (28, 9222240), (30, 8607424), (32, 8069460), (35, 7377792), (40, 6455568), (42, 6148160), (48, 5379640), (56, 4611120), (60, 4303712), (64, 4034730), (70, 3688896), (80, 3227784), (84, 3074080), (96, 2689820), (105, 2459264), (112, 2305560), (120, 2151856), (128, 2017365), (140, 1844448), (160, 1613892), (168, 1537040), (192, 1344910), (210, 1229632), (224, 1152780), (240, 1075928), (280, 922224), (320, 806946), (336, 768520), (384, 672455), (420, 614816), (448, 576390), (480, 537964), (560, 461112), (640, 403473), (672, 384260), (840, 307408), (896, 288195), (960, 268982), (1120, 230556), (1344, 192130), (1680, 153704), (1920, 134491), (2240, 115278), (2688, 96065), (3360, 76852), (4480, 57639), (6720, 38426), (13440, 19213)]