72808960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 160

約数和(自身を含む): 212129280

約数和(自身を除く): 139320320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 239, 256, 272, 280, 320, 340, 448, 476, 478, 512, 544, 560, 595, 640, 680, 896, 952, 956, 1088, 1120, 1190, 1195, 1280, 1360, 1673, 1792, 1904, 1912, 2176, 2240, 2380, 2390, 2560, 2720, 3346, 3584, 3808, 3824, 4063, 4352, 4480, 4760, 4780, 5440, 6692, 7616, 7648, 8126, 8365, 8704, 8960, 9520, 9560, 10880, 13384, 15232, 15296, 16252, 16730, 17920, 19040, 19120, 20315, 21760, 26768, 28441, 30464, 30592, 32504, 33460, 38080, 38240, 40630, 43520, 53536, 56882, 60928, 61184, 65008, 66920, 76160, 76480, 81260, 107072, 113764, 122368, 130016, 133840, 142205, 152320, 152960, 162520, 214144, 227528, 260032, 267680, 284410, 304640, 305920, 325040, 428288, 455056, 520064, 535360, 568820, 611840, 650080, 856576, 910112, 1040128, 1070720, 1137640, 1300160, 1820224, 2080256, 2141440, 2275280, 2600320, 3640448, 4282880, 4550560, 5200640, 7280896, 9101120, 10401280, 14561792, 18202240, 36404480, 72808960]

約数ペア:

[(1, 72808960), (2, 36404480), (4, 18202240), (5, 14561792), (7, 10401280), (8, 9101120), (10, 7280896), (14, 5200640), (16, 4550560), (17, 4282880), (20, 3640448), (28, 2600320), (32, 2275280), (34, 2141440), (35, 2080256), (40, 1820224), (56, 1300160), (64, 1137640), (68, 1070720), (70, 1040128), (80, 910112), (85, 856576), (112, 650080), (119, 611840), (128, 568820), (136, 535360), (140, 520064), (160, 455056), (170, 428288), (224, 325040), (238, 305920), (239, 304640), (256, 284410), (272, 267680), (280, 260032), (320, 227528), (340, 214144), (448, 162520), (476, 152960), (478, 152320), (512, 142205), (544, 133840), (560, 130016), (595, 122368), (640, 113764), (680, 107072), (896, 81260), (952, 76480), (956, 76160), (1088, 66920), (1120, 65008), (1190, 61184), (1195, 60928), (1280, 56882), (1360, 53536), (1673, 43520), (1792, 40630), (1904, 38240), (1912, 38080), (2176, 33460), (2240, 32504), (2380, 30592), (2390, 30464), (2560, 28441), (2720, 26768), (3346, 21760), (3584, 20315), (3808, 19120), (3824, 19040), (4063, 17920), (4352, 16730), (4480, 16252), (4760, 15296), (4780, 15232), (5440, 13384), (6692, 10880), (7616, 9560), (7648, 9520), (8126, 8960), (8365, 8704)]