72387840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{2693}}^1$

素因数の和:2724

約数の個数: 144

約数和(自身を含む): 264313728

約数和(自身を除く): 191925888

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, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 2693, 3360, 3840, 4480, 5376, 5386, 6720, 8079, 8960, 10772, 13440, 13465, 16158, 18851, 21544, 26880, 26930, 32316, 37702, 40395, 43088, 53860, 56553, 64632, 75404, 80790, 86176, 94255, 107720, 113106, 129264, 150808, 161580, 172352, 188510, 215440, 226212, 258528, 282765, 301616, 323160, 344704, 377020, 430880, 452424, 517056, 565530, 603232, 646320, 689408, 754040, 861760, 904848, 1034112, 1131060, 1206464, 1292640, 1508080, 1723520, 1809696, 2068224, 2262120, 2412928, 2585280, 3016160, 3447040, 3619392, 4524240, 4825856, 5170560, 6032320, 7238784, 9048480, 10341120, 12064640, 14477568, 18096960, 24129280, 36193920, 72387840]

約数ペア:

[(1, 72387840), (2, 36193920), (3, 24129280), (4, 18096960), (5, 14477568), (6, 12064640), (7, 10341120), (8, 9048480), (10, 7238784), (12, 6032320), (14, 5170560), (15, 4825856), (16, 4524240), (20, 3619392), (21, 3447040), (24, 3016160), (28, 2585280), (30, 2412928), (32, 2262120), (35, 2068224), (40, 1809696), (42, 1723520), (48, 1508080), (56, 1292640), (60, 1206464), (64, 1131060), (70, 1034112), (80, 904848), (84, 861760), (96, 754040), (105, 689408), (112, 646320), (120, 603232), (128, 565530), (140, 517056), (160, 452424), (168, 430880), (192, 377020), (210, 344704), (224, 323160), (240, 301616), (256, 282765), (280, 258528), (320, 226212), (336, 215440), (384, 188510), (420, 172352), (448, 161580), (480, 150808), (560, 129264), (640, 113106), (672, 107720), (768, 94255), (840, 86176), (896, 80790), (960, 75404), (1120, 64632), (1280, 56553), (1344, 53860), (1680, 43088), (1792, 40395), (1920, 37702), (2240, 32316), (2688, 26930), (2693, 26880), (3360, 21544), (3840, 18851), (4480, 16158), (5376, 13465), (5386, 13440), (6720, 10772), (8079, 8960)]