72504320

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 198

約数和(自身を含む): 214922718

約数和(自身を除く): 142418398

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 128, 136, 140, 160, 170, 196, 224, 238, 245, 256, 272, 280, 289, 320, 340, 392, 448, 476, 490, 512, 544, 560, 578, 595, 640, 680, 784, 833, 896, 952, 980, 1024, 1088, 1120, 1156, 1190, 1280, 1360, 1445, 1568, 1666, 1792, 1904, 1960, 2023, 2176, 2240, 2312, 2380, 2560, 2720, 2890, 3136, 3332, 3584, 3808, 3920, 4046, 4165, 4352, 4480, 4624, 4760, 5120, 5440, 5780, 6272, 6664, 7168, 7616, 7840, 8092, 8330, 8704, 8960, 9248, 9520, 10115, 10880, 11560, 12544, 13328, 14161, 15232, 15680, 16184, 16660, 17408, 17920, 18496, 19040, 20230, 21760, 23120, 25088, 26656, 28322, 30464, 31360, 32368, 33320, 35840, 36992, 38080, 40460, 43520, 46240, 50176, 53312, 56644, 60928, 62720, 64736, 66640, 70805, 73984, 76160, 80920, 87040, 92480, 106624, 113288, 121856, 125440, 129472, 133280, 141610, 147968, 152320, 161840, 184960, 213248, 226576, 250880, 258944, 266560, 283220, 295936, 304640, 323680, 369920, 426496, 453152, 517888, 533120, 566440, 609280, 647360, 739840, 852992, 906304, 1035776, 1066240, 1132880, 1294720, 1479680, 1812608, 2071552, 2132480, 2265760, 2589440, 3625216, 4264960, 4531520, 5178880, 7250432, 9063040, 10357760, 14500864, 18126080, 36252160, 72504320]

約数ペア:

[(1, 72504320), (2, 36252160), (4, 18126080), (5, 14500864), (7, 10357760), (8, 9063040), (10, 7250432), (14, 5178880), (16, 4531520), (17, 4264960), (20, 3625216), (28, 2589440), (32, 2265760), (34, 2132480), (35, 2071552), (40, 1812608), (49, 1479680), (56, 1294720), (64, 1132880), (68, 1066240), (70, 1035776), (80, 906304), (85, 852992), (98, 739840), (112, 647360), (119, 609280), (128, 566440), (136, 533120), (140, 517888), (160, 453152), (170, 426496), (196, 369920), (224, 323680), (238, 304640), (245, 295936), (256, 283220), (272, 266560), (280, 258944), (289, 250880), (320, 226576), (340, 213248), (392, 184960), (448, 161840), (476, 152320), (490, 147968), (512, 141610), (544, 133280), (560, 129472), (578, 125440), (595, 121856), (640, 113288), (680, 106624), (784, 92480), (833, 87040), (896, 80920), (952, 76160), (980, 73984), (1024, 70805), (1088, 66640), (1120, 64736), (1156, 62720), (1190, 60928), (1280, 56644), (1360, 53312), (1445, 50176), (1568, 46240), (1666, 43520), (1792, 40460), (1904, 38080), (1960, 36992), (2023, 35840), (2176, 33320), (2240, 32368), (2312, 31360), (2380, 30464), (2560, 28322), (2720, 26656), (2890, 25088), (3136, 23120), (3332, 21760), (3584, 20230), (3808, 19040), (3920, 18496), (4046, 17920), (4165, 17408), (4352, 16660), (4480, 16184), (4624, 15680), (4760, 15232), (5120, 14161), (5440, 13328), (5780, 12544), (6272, 11560), (6664, 10880), (7168, 10115), (7616, 9520), (7840, 9248), (8092, 8960), (8330, 8704)]